如何给object标签加placeholder
placeholder是html5新增的input的一个熟悉，主要是让表单体验更加智能，相当于value属性，但是他有一个好处就是当我们聚焦输入文本的时候我们在placeholder="默认值"的文本就会自动清空，， 不过兼容性还不太好，至少ie好像要9以上才能支持
ios textfield的placeholder字体颜色是什么颜色
默认的placeholder字体颜色是呈浅灰色textField.placeholder = @"username is in here!"; [textField setValue:[UIColor redColor] forKeyPath:@"_placeholderLabel.textColor"]; [textField setValue:[UIFont boldSystemFontOfSize:16] forKeyPath:@"_placeholderLabel.font"];
input中的placeholder垂直居中
是不是跟 textarea 弄错了？ input 是不行的非要 input 下面要空间，那么加个 padding-bottom 吧（去掉 height ）
java中的 Placeholder 是什么意思，有什么作用？谢谢！！
这应该是程序员自己定义的一个类，因为API里面米有，命名的时候第一个单词place大写，holder小写，按照规则，应该是一个类，希望能帮到您，记得选我哦，谢谢
如何解决ie9以下在input内容为空的情况下placeholder的值不被当做value取出
其实以前是通过给input|textarea设置value值来实现类似功能的，当input|textarea获得焦点时，将其value设置为空。但是有一个问题是对于密码输入框： <input type=”password”> 如 果再用设置value值的方法，密码输入框中的值将被黑点替代。使用placeholder则可以解决这个问题，目前支持placeholder的浏览器 为：Firefox4.0+、Chrome4.0+、Safari4.0+，Opera 11、IE9。对不支持的浏览器我们将使用模拟的placeholder属性的替代方法： 具体思路是： 1，首先判断浏览器是否支持placeholder属性，如果不支持则使用模拟placeholder //判断是否支持placeholder属性 function isPlaceholer(){ var input = document.createElement(‘input"); return “placeholder” in input; } 2， 我们创建一个label标签：<label>密码</label> 标签里面的内容为所要添加的提示文案，该文案应该从对应的input|textarea标签取得其placeholder属性值，再将label标签遮盖 到所对应的input|textarea上。
js中怎么给placehodeler赋值
var $element = $(this), placeholder = $element.attr("placeholder");if (placeholder) { // 文本框ID var elementId = $element.attr("id"); if (!elementId) { var now = new Date(); elementId = "lbl_placeholder" + now.getSeconds() + now.getMilliseconds(); $element.attr("id", elementId); } // 添加label标签，用于显示placeholder的值 var $label = $("<label>", { html: $element.val() ? "" : placeholder, "for": elementId, css: { position: "absolute", cursor: "text", color: "#a9a9a9", fontSize: $element.css("fontSize"), fontFamily: $element.css("fontFamily") } }).insertAfter($element); // 绑定事件 var _setPosition = function () { $label.css({ marginTop: GetStringNumValue($element.css("marginTop")) + 8 + "px", marginLeft: "-" + (GetStringNumValue($element.css("width")) - 6) + "px" }); } var _resetPlaceholder = function () { if ($element.val()) { $label.html(null); } else { _setPosition(); $label.html(placeholder); } } _setPosition(); $element.on("focus blur input keyup propertychange resetplaceholder", _resetPlaceholder);代码很简单，需注意的是：1、label 的 margin-top / margin-left，因为我们的项目用了 bootstrap 框架，已设定了输入框的内间距为 "padding: 4px 6px;" 所以这里需缩进对应的像素值。2、GetStringNumValue() 是我们自己定义的方法，使用正则表达式，用于把字符串中的数字提取，例如 "123px" 返回 123。3、对于 IE 中不支持的版本，propertychange 真是一个好方法，完美的结合了！...
怎么修改input中placeholder的字体颜色
首先我们先简单写个html页面，里面放一个input和一个textarea，简单设置一下基本样式，注意写上placeholder。 然后在浏览器中预览一下效果，会看到默认的placeholder颜色是灰色的。 再然后就是设置placeholder的字体颜色了
jsp中能不能用placeholder
jsp是可以利用小脚本写Java代码 以及直接编写HTML代码的placeholder是html的属性 所以是可以适用的
如何让placeholder 居中
<style type="text/css">input::-ms-input-placeholder{text-align: center;}input::-webkit-input-placeholder{text-align: center;}</style>
输入框placeholder文字默认颜色是多少 ios
默认颜色为：0x8E8E93
input框的placeholder为什么不显示
文本框input， type为text，或者password，有一个属性placeholder，在firefox浏览器下当输入的时候，占位符就会消失这个属性非常好用，然而在IE下，就没有这效果，现在提供两种jQuery插件解决方式。1.引入js,在加载页面时候执行：$("input,text").placeholder(); js的具体代码如下：(function(factory) { if (typeof define === "function" && define.amd) { // AMD define(["jquery"], factory); } else if (typeof module === "object" && module.exports) { factory(require("jquery")); } else { // Browser globals factory(jQuery); }
div作为输入框时是否具有placeholder属性
让div支持placeholder属性/模拟输入框的placeholder属性就可以
placeholder 在jsp中显示问题！！！
非标准化元素名，没关系，感叹号不影响使用
placeholder 能用在select吗
placeholder是html5新增的input的一个属性，主要是让表单体验更加智能，相当于value属性，但是他有一个好处就是当我们聚焦输入文本的时候我们在placeholder="默认值"的文本就会自动清空，， 不过兼容性还不太好，至少ie好像要9以上才能支持
css给placeholder属性的文本设置斜体
.placeholder {font-style:italic;}
可以在文本框的placeholder=""插入搜索图标吗?
placeholder是html5新增的input的一个熟悉，主要是让表单体验更加智能，相当于value属性，但是他有一个好处就是当我们聚焦输入文本的时候我们在placeholder="默认值"的文本就会自动清空，，不过兼容性还不太好，至少ie好像要9以上才能支持，，所以很多pc端的聚焦处理还是用js来的for属性应该是label的属性吧？？这个是和input的id绑定，当我们点击input前面的文本标识会自动聚焦到文本框，例如：<form><label for="name">用户名</label><input type="text" name="name" accesskey="c" id="name" /></form>这个例子，当我点击用户名的时候，会自动聚焦到文本框里头，也就是光标会自动定位到文本框里
如何设置placeholder提示字体的大小和颜色还有边距
根据你的描述：你可以设置左填充样式： padding-left:10px; 字体大小和你输入字体大小时一样的，即font-size:16px;仅供参考，希望能帮助到你！
怎么修改placeholder字体的css样式
修改palceholder内文字的css样式1 ::-webkit-input-placeholder{2 color: red;3 font-size: 20px;4 line-height: 50px;5 }修改class名为test1的元素palceholder内文字css样式.test1::-webkit-input-placeholder{color: red;font-size: 20px;line-height: 50px;}比如：<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title><style>input{height: 50px;font-size: 14px;line-height: 50px;}.test1::-webkit-input-placeholder{color: red;font-size: 20px;line-height: 50px;}</style></head><body><input class="test1" type="text" placeholder="测试" /><input type="text" placeholder="测试" /></body></html>
如何设置css3中placeholder的字体颜色
placeholder是HTML5的新属性，并不是CSS3，，，CSS3和CSS2都是一样的，是在<style></style>里，或者CSS文件里，或者style=""这里面的。一，使用伪类：:-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #f00; } ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #f00;} input:-ms-input-placeholder,textarea:-ms-input-placeholder { color: #f00;} input::-webkit-input-placeholder,textarea::-webkit-input-placeholder { color: #f00;}二是使用JS来替换掉占位符：$("[placeholder]").focus(function() { var input = $(this); if (input.val() == input.attr("placeholder")) { input.val(""); input.removeClass("placeholder"); } }).blur(function() { var input = $(this); if (input.val() == "" || input.val() == input.attr("placeholder")) { input.addClass("placeholder"); input.val(input.attr("placeholder")); } }).blur(); $("[placeholder]").parents("form").submit(function() { $(this).find("[placeholder]").each(function() { var input = $(this); if (input.val() == input.attr("placeholder")) { input.val(""); } }) }); CSS: form .placeholder { color: #222; <a href="https://www.baidu.com/s?wd=font-size&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dBPyRsPyRdmv79mWKbnHK90AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtYrH0kP164njnvrHfkn164P1c" target="_blank" class="baidu-highlight">font-size</a>: 25px; /* etc */}三就是用最常用的onfocus：12 <input type="text" value="placeholder text" onfocus="this.style.color="#000"; this.value="";" style="color: #f00;"/>
select选择框怎么加placeholder提示信息
placeholder是html5新增的input的一个熟悉，主要是让表单体验更加智能，相当于value属性，但是他有一个好处就是当我们聚焦输入文本的时候我们在placeholder="默认值"的文本就会自动清空，， 不过兼容性还不太好，至少ie好像要9以上才能支持
如何实现 placeholder自动换行
/* WebKit browsers */::-webkit-input-placeholder { color: transparent;}::-webkit-input-placeholder:before { display: block; color: #999; content: "第一行文本提示 A 第二行文本提示 A 第三行文本提示 A";}/* Mozilla Firefox 4 to 18 */:-moz-placeholder { color: transparent;}:-moz-placeholder:before { display: block; color: #999; content: "第一行文本提示 A 第二行文本提示 A 第三行文本提示 A";}/* Mozilla Firefox 19+ */::-moz-placeholder { color: transparent;}::-moz-placeholder:before { display: block; color: #999; content: "第一行文本提示 A 第二行文本提示 A 第三行文本提示 A";}/* Internet Explorer 10+ */:-ms-input-placeholder { color: transparent;}:-ms-input-placeholder:before { display: block; color: #999; content: "第一行文本提示 A 第二行文本提示 A 第三行文本提示 A";}<iframe width="100%" height="120" src="http://jsfiddle.net/samzeng/2phe5/embedded/result/" allowfullscreen="allowfullscreen" frameborder="0"></iframe>
如何给div添加placeholder属性
<!DOCTYPE <html> <head> <title></title> <style type="text/css"> .input{ width:200px; height:30px; border:1px solid grey; } .input:empty::before{ color:lightgrey; content:attr(placeholder); } </style> </head> <body> <div class="input" contenteditable placeholder="请输入文字"></div> </body> </html>
HTML里input标签里的placeholder、for属性的作用？
placeholder 是做提示用的，占位符，就是你一个输入框还没输入的时候，里面就实现是placeholder的内容for作用是标签关联input，比如 <input id="aa"> <label for="aa">aa</label>,这时候点击这个标签input就会获得焦点
html中在input标签里placeholder value属性区别
placeholder顾名思义是一个占位符。在你的value为空的时候他才会显示出来，但是他本身并不是value，也不会被表单提交。
用jquery怎么改变placeholder里面字体的颜色
::-webkit-input-placeholder { /* WebKit browsers */color:#999;}:-moz-placeholder { /* Mozilla Firefox 4 to 18 */color:#999;}::-moz-placeholder { /* Mozilla Firefox 19+ */color:#999;}:-ms-input-placeholder { /* Internet Explorer 10+ */color:#999;}
如何设置placeholder提示字体的大小和颜色还有边距
::-webkit-input-placeholder { /* WebKit browsers */ color: #999; } :-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #999; } ::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #999; } :-ms-input-placeholder { /* Internet Explorer 10+ */ color: #999; }下面是示例<!DOCTYPE HTML><html><body><style>::-webkit-input-placeholder { /* WebKit browsers */ color: red; } </style><form action="/example/html5/demo_form.asp" method="get"><input style = "color:red;" type="search" name="user_search" placeholder="Search W3School" /><input type="submit" /></form></body></html>
input placeholder 默认颜色值是多少
你好，input placeholder 默认颜色值是#b2b2b2
placeholder什么意思
placeholder翻译是：占位符。望采纳。谢谢
placeholder什么意思？
placeholder的意思是：占位符。占位符网络解释：占位；占位文本拓展：占位文本例句：1、For those of us in the latter group—consigned to coach, bereft of Flash Pass, too poor or proper to pay a placeholder—what do we do?解释：对于我们这些属于后一类的人——被指派去当教练、没有快速通行证、太穷或不适合付钱给占位者——该怎么办？2、When it is needed, we"ll provide a placeholder string.解释：当需要它时，我们将给出一个占位符字符串。
placeholder的中文意思是什么？
placeholder的意思是：占位符。占位符网络解释：占位；占位文本拓展：占位文本例句：1、For those of us in the latter group—consigned to coach, bereft of Flash Pass, too poor or proper to pay a placeholder—what do we do?解释：对于我们这些属于后一类的人——被指派去当教练、没有快速通行证、太穷或不适合付钱给占位者——该怎么办？2、When it is needed, we"ll provide a placeholder string.解释：当需要它时，我们将给出一个占位符字符串。
什么是placeholder的翻译英语怎么说？
placeholder的意思是：占位符。占位符网络解释：占位；占位文本拓展：占位文本例句：1、For those of us in the latter group—consigned to coach, bereft of Flash Pass, too poor or proper to pay a placeholder—what do we do?解释：对于我们这些属于后一类的人——被指派去当教练、没有快速通行证、太穷或不适合付钱给占位者——该怎么办？2、When it is needed, we"ll provide a placeholder string.解释：当需要它时，我们将给出一个占位符字符串。
placeholder是什么意思？
placeholder的意思是：占位符。占位符网络解释：占位；占位文本拓展：占位文本例句：1、For those of us in the latter group—consigned to coach, bereft of Flash Pass, too poor or proper to pay a placeholder—what do we do?解释：对于我们这些属于后一类的人——被指派去当教练、没有快速通行证、太穷或不适合付钱给占位者——该怎么办？2、When it is needed, we"ll provide a placeholder string.解释：当需要它时，我们将给出一个占位符字符串。
placeholder是什么意思
placeholder[美] [u02c8pleu026ashou028aldu0259(r)]u2003u2003[英] [u02c8pleu026ashu0259u028aldu0259(r)]u2003u2003n. 占位符例句 1. This starter kit also contains placeholder classes for customizing other functionality. 此初学者工具包还包含用于自定义其他功能的占位符类. 2. Drag onto the page and then type to replace placeholder text. 拖到绘图页上,然后键入内容,替换占位符文本. 3. The original bitmap in a memory DC is simply a placeholder. 最初在内存设备环境里的位图,仅仅预留位置. 为你解答，敬请采纳，如果本题还有疑问请追问，Good luck!
placeholder是什么意思
placeholder [英]u02c8pleu026ashu0259u028aldu0259(r) [美]u02c8pleu026ashou028aldu0259(r) n. 占位符 [例句]An example of inline labels , where the label acts as placeholder text in the form field.上面是一个标签在表单域中作为占位符文本的内联标签示例。place holder 英[pleis u02c8hu0259uldu0259] 美[ples u02c8holdu025a] 补位数字 [例句]She beat out miss colombia and miss peru who came in as the runner-up and third place holder.她击败了哥伦比亚小姐和秘鲁小姐，她俩分获亚军和季军。
php中如何获取placeholder的值
<input type="text" placeholder="xxxx" onclick="alert($(this).attr("placeholder"))"/>
input怎么设置placeholder字体大小
input[placeholder],textarea[placeholder], *[placeholder] { color:red !important;}
spring mvc控制器怎么获取placeholder属性的值
HTML5 中的新属性。placeholder 属性适用于以下的 <input> 类型：text, search, url, telephone, email 以及 password。控制器也就是后台要拿到这个值，你需要前端获取到再传过去你具体怎样的场景可以说下$("#标签ID").attr("placeholder"); 可以拿到这个属性值
js控制placeholder属性
每个placeholder属性都能在那个标签里找到对应的值，哪个要改就改那个属性值不就好了么
html5的placeholder这个属性在获得焦点时怎样让默认的字体消失呢？
html5的placeholder这个属性就是获取焦点文字消失的啊
如何实现 placeholder自动换行
在 HTML5 placeholder 中，意为占位符。常会在表单中用一些简单的单词进行提示，友好的提示用户录入数据。在 W3C 中，定义占位符为一个简单的提示（一个词语或一个短语），在帮助用户进行数据录入。若想录入较长的提示，建议在当前操作旁注明提示信息，而不是使用 placeholder。
html placeholder怎么设置居右
:-moz-placeholder,::-moz-placeholder,:-ms-input-placeholder,::-webkit-input-placeholder{text-align: right;}
点击按钮会自动录入input框中的placeholder提示值
placeholder是html5新增的input的一个熟悉，主要是让表单体验更加智能，相当于value属性，但是他有一个好处就是当我们聚焦输入文本的时候我们在placeholder="默认值"的文本就会自动清空，，不过兼容性还不太好，至少ie好像要9以上才能支持，，所以很多pc端的聚焦处理还是用js来的for属性应该是label的属性吧？？这个是和input的id绑定，当我们点击input前面的文本标识会自动聚焦到文本框，例如：<form><label for="name">用户名</label><input type="text" name="name" accesskey="c" id="name" /></form>这个例子，当我点击用户名的时候，会自动聚焦到文本框里头，也就是光标会自动定位到文本框里
placeholder和value的区别是什么
place holder 和value的区别是什么？place holder是占位符的意思；value 是价值的意思。这就是二者的区别。祝您快乐，阿弥陀佛！
如何实现 placeholder自动换行
其实以前是通过给input|textarea设置value值来实现类似功能的，当input|textarea获得焦点时，将其value设置为空。但是有一个问题是对于密码输入框： 如果再用设置value值的方法，密码输入框中的值将被黑点替代。使用placeholder则可以解决这个问题，目前支持placeholder的浏览器为：Firefox4.0+、Chrome4.0+、Safari4.0+，Opera11、IE9。对不支持的浏览器我们将使用模拟的placeholder属性的替代方法： 具体思路是： 1，首先判断浏览器是否支持placeholder属性，如果不支持则使用模拟placeholder //判断是否支持placeholder属性 functionisPlaceholer(){ varinput=document.createElement(‘input"); return“placeholder”ininput; } 2，我们创建一个label标签：密码标签里面的内容为所要添加的提示文案，该文案应该从对应的input|textarea标签取得其placeholder属性值，再将label标签遮盖到所对应的input|textarea上。
python中关于placeholder这句代码具体是什么意思？
这个模块没有用过， 但是placeholder经常听。 一般用于某些输入框缺省时的默认占位显示内容。如HTML表单输入框里，在用户没有输入时显示“请输入账号”等，是通过placeholder属性设置的
苹果手机placeholder删不掉？
苹果手机placeholder删不掉，这种情况第三方软件会出现这个现象（流氓、赖皮软件）进入设置-通用-下来找到描述文件与设备管理-进入找到placeholder软件描述文件-进入点击移除。（有某些个别流氓软件中的极品会隐藏移除按键，这种情况只能是抹掉所有数据还原成新的手机，其他没有什么办法）
HTML里input标签里的placeholder、for属性的作用？
placeholder是做提示用的，占位符，就是你一个输入框还没输入的时候，里面就实现是placeholder的内容for作用是标签关联input，比如aa,这时候点击这个标签input就会获得焦点
net mvc EditorFor 怎么使用 placeholder
当想通过Html.EditorFor()给文本框加上maxlength,placeholder等属性的时候，发现Html.EditorFor()没有提供可直接加上这些属性的重载方法，如何做到呢？□ 思路1、Html.EditorFor()有一个重载方法如下：也许，可以把需要给文本框加上的属性(maxlength, placeholder,etc),封装成一个匿名对象，作为路由数据传递给一个模版。 2、Html.TextBox()正好有一个重载可以把路由数据作为它的htmlAttributes参数：首先，在Views/Shared/下创建EditorTemplates文件夹，并在EditorTemplates文件夹下创建部分视图string.cshtml@model string <span> @Html.TextBox("", @ViewData.TemplateInfo.FormattedModelValue, @ViewData) </span> 然后，创建一个View Model:namespace MvcApplication1.Models{ public class Sample { public string Name { get; set; } }}接着，控制器方法把强类型model传递到对应的视图中：using System.Web.Mvc;using MvcApplication1.Models; namespace MvcApplication1.Controllers{ public class HomeController : Controller { public ActionResult Index() { return View(new Sample()); } }}最后，在强类型视图页，把需要给文本框加上的属性封装成匿名对象，作为路由数据传递给模版页。@model MvcApplication1.Models.Sample @{ ViewBag.Title = "Index"; Layout = "~/Views/Shared/_Layout.cshtml";} @Html.EditorFor(s => s.Name,"string",new {maxlength=5,placeholder="用户名"})□ 结果由于有了placeholder，显示水印：参考链接：http://www.cnblogs.com/darrenji/p/3640632.html
如何修改placeholder样式
首先我们先简单写个html页面，里面放一个input和一个textarea，简单设置一下基本样式，注意写上placeholder。 然后在浏览器中预览一下效果，会看到默认的placeholder颜色是灰色的。 再然后就是设置placeholder的字体颜色了，因为不同浏览器存在...
jquery 怎样给div添加placeholder属性
div没有placeholder属性，只能讲placeholder当做一个自定义属性来看，并没有任何效果，代码如下：$("div").attr("placeholder","text");
placeholder和value的区别是什么
input中的value和placeholder区别由于HTML5的出现，使得表单的功能更加强大，input的功能应用起来更加简单，从value到placeholder。但是由于兼容问题，placeholder只适合在移动端的项目，IE6/7/8不支持，只能用value，或者你可以用其他方法模拟placeholder，具体案例你可以看支付宝和财付通的登录和注册页面。下面分别介绍下value和placeholder的实际应用。value如果用的是value，我们想鼠标focus后默认文字消失，移开后默认文字又重现，可以这样来写。placeholder如果用的是placeholder，我们就不需要JS了，因为它本身就自带focus和blur功能了。但是有时候设计师给我们的设计稿往往跟默认文字颜色是有区别的，那我们如何改变placeholder默认文字颜色呢，如下：<input type="text" placeholder="请输入手机号" class="inp-fon">:-moz-placeholder { /* Mozilla Firefox 4 to 18 */ color: #f00; }::-moz-placeholder { /* Mozilla Firefox 19+ */ color: #f00;}input:-ms-input-placeholder,textarea:-ms-input-placeholder { color: #f00;}input::-webkit-input-placeholder,textarea::-webkit-input-placeholder { color: #f00;}一般都是用以上这种方法来处理，这里就不放demo了，比较简单，如果想看效果，把代码复制到网页里查看。
如何查看input placeholder的字体颜色
因为每个浏览器的CSS选择器都有所差异，所以需要针对每个浏览器做单独的设定(可以在冒号前面写input和textarea)。::-webkit-input-placeholder { /* WebKit browsers */color:#999;}:-moz-placeholder { /* Mozilla Firefox 4 to 18 */color:#999;}::-moz-placeholder { /* Mozilla Firefox 19+ */color:#999;}:-ms-input-placeholder { /* Internet Explorer 10+ */color:#999;}还可以写成下面这样：input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {color: #666;}input:-moz-placeholder, textarea:-moz-placeholder {color:#666;}input::-moz-placeholder, textarea::-moz-placeholder {color:#666;}input:-ms-input-placeholder, textarea:-ms-input-placeholder {color:#666;}知识点：单冒号(:)用于CSS3伪类，双冒号(::)用于CSS3伪元素。css伪类：CSS 伪类用于向某些选择器添加特殊的效果。css伪元素：CSS 伪元素用于向某些选择器设置特殊效果。伪元素由双冒号和伪元素名称组成。双冒号是在当前规范中引入的，用于区分伪类和伪元素。但是伪类兼容现存样式，浏览器需要同时支持旧的伪类， 如:first-line,:first-letter,:before,:after等等。因此对于css2之前已经有的伪元素两种写法的作用是一样的，但是为了兼容IE浏览器还是使用单冒号的写法。
jQuery动态修改placeholder
$("选择器").val("").prop("placeholder"," ...");
placeholder 怎么放icon
？？？？？
placeholder是什么意思
帮你找到的一个变量，在这里就代表新打开的那个窗口。那就举个例子吧<html><script langruage="javascript"> var placeHolder = window.open("holder.html","placeholder","width=200,height=200"); </script></html>把上面的程序存为一个.html文件，点击打开的时候，会弹出一个新的窗口。那个新的窗口在程序里边就可以用placeHolder来控制。接着再看这个：<html><script langruage="javascript"> var placeHolder = window.open("holder.html","placeholder","width=200,height=200"); placeHolder.close(); </script></html>加了一句话：placeHolder.close();运行新的程序，弹出窗口刚打开，马上就会被关闭，这样不知道你清楚了吗？
javascript中的placeholder是什么意思呀?
一个变量，在这里就代表新打开的那个窗口。那就举个例子吧<html><script langruage="javascript"> var placeHolder = window.open("holder.html","placeholder","width=200,height=200"); </script></html>把上面的程序存为一个.html文件，点击打开的时候，会弹出一个新的窗口。那个新的窗口在程序里边就可以用placeHolder来控制。接着再看这个：<html><script langruage="javascript"> var placeHolder = window.open("holder.html","placeholder","width=200,height=200"); placeHolder.close(); </script></html>加了一句话：placeHolder.close();运行新的程序，弹出窗口刚打开，马上就会被关闭，这样不知道你清楚了吗？
男孩都是placeholder是什么意思
是男身体都比较大会占据比较多的空间的意思。这句话是一个网络梗，因为很多男生的身体比较宽大，所以有人开玩笑说男生都是男孩都是placeholder就是男生都是占地方比较大的人，久而久之就成了一个梗。
html中placeholder是什么意思？
html中placeholder是搜索框内显示的文字，作为搜索提示使用。
placeholder属性
placeholder 属性提供可描述输入字段预期值的提示信息（hint）。该提示会在输入字段为空时显示，并会在字段获得焦点时消失。注释：placeholder 属性适用于以下的 类型：text, search, url, telephone, email 以及 password。 扩展资料 disabled 属性： disabled 属性规定输入字段是禁用的。 被禁用的.元素是不可用和不可点击的。 被禁用的元素不会被提交。 autocomplete 属性： autocomplete 属性规定表单或输入字段是否应该自动完成。 当自动完成开启，浏览器会基于用户之前的输入值自动填写值。
文本框中placeholder和value有什么区别
placeholder属性是h5的新属性，为提示文字的效果，低版本ie浏览器无法使用；value属性是设置文本框中的默认文字，二者应用场景不同。建议你还是多学多看吧，去黑马程序员视频库或者社区
安装autocad时出现placeholder
这是安装路径或者安装文件有中文的缘故，把安装路径和安装文件放到C盘即可
placeholder属性的作用
placeholder属性的作用：placeholder 属性提供可描述输入字段预期值的提示信息（hint）。该提示会在输入字段为空时显示，并会在字段获得焦点时消失。placeholder 是HTML5 中新增的一个属性。placeholder可以用来描述输入字段预期值的简短的提示信息。提示信息会在用户输入值之前显示，一旦用户输入信息该提示就会自动消失。比如：我们在登录时需要输入用户名和密码，它会提示你什么地方输入用户名，什么地方输入密码，这个就是使用的placeholder属性。注意：placeholder 属性适用于下面的 input 类型：text、search、url、tel、email 和 password。
一个男生发给一个女生“placeHolder”是什么意思？
在计算机编程中，“placeHolder”通常指代占位符，常用于协助创建可操作的界面，例如网页表单。在这种情况下，如果一个男生发给一个女生“placeHolder”，那么可能意味着他正在与计算机相关工作或讨论技术问题，并需要使用或提到占位符。除此之外，“placeholder”还可以解释为“占位人”，是指在某些活动、演出或其他场合中，由于某种原因本来应该扮演某个角色的人没有出席，而另一个人暂时顶替。这种情况下，男生发给女生的“placeHolder”可能意味着他在谈论某个具体事件中的临时变化。需要注意的是，具体含义应根据上下文来推断。
placeholder是什么意思
placeholder 英[u02c8pleu026ashu0259u028aldu0259(r)] 美[u02c8pleu026ashou028aldu0259(r)] n. 占位符; [网络] 预留位置; 位置标志符; [例句]Subselect placeholder text and then type to change text.选择其中一个占位符文本，然后键入内容，以更改文本。
placeholder是什么意思
placeholder的意思是：占位符。占位符网络解释：占位；占位文本拓展：占位文本例句：1、For those of us in the latter group—consigned to coach, bereft of Flash Pass, too poor or proper to pay a placeholder—what do we do?解释：对于我们这些属于后一类的人——被指派去当教练、没有快速通行证、太穷或不适合付钱给占位者——该怎么办？2、When it is needed, we"ll provide a placeholder string.解释：当需要它时，我们将给出一个占位符字符串。
placeholder是什么意思
placeholder 英[u02c8pleu026ashu0259u028aldu0259(r)] 美[u02c8pleu026ashou028aldu0259(r)] n. 占位符; [例句]I have used~ as a placeholder for project top-level package.我使用了~作为项目顶级程序包的占位符。
placeholder是什么意思
占位符 。
跪求Beyonce的《Irreplaceable 》吉他谱~！ 谢谢
吉他谱的 有点难找 给你个伴奏吧http://ok.wo99.com/bplay.php?id=566449
Irreplaceable 歌词翻译
Lyric of Beyonce" Knowles of the song “Irreplaceable”To the leftTo the leftTo the leftTo the leftMmmm to the leftEverything you own in the box to the leftIn the closet, thats my stuffYes, if I bought it, baby please don"t touch (don"t touch)And keep talking that mess, thats fineCould you walk and talk, at the same time?And its my name thats on that jagSo go move your bags, let me call you a cabStanding in the front yard, telling meHow I"m such a fool, talking "boutHow I"ll never ever find a man like youYou got me twistedYou must not know "bout meYou must not know "bout meI could have another you in a minuteMatter fact, he"ll be here in a minute (baby)You must not know "bout meYou must not know "bout meI can have another you by tomorrowSo don"t you ever for a second get to thinkin"You"re irreplaceable
Irreplaceable 歌词
歌曲名:Irreplaceable歌手:Zatox专辑:Hardstyle Vol. 22IrreplaceableBeyonceB"DayTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftIn the closet that"s my stuff - YesIf I bought it nigga please don"t touchAnd keep talking that mess, that"s fineBut could you walk and talk at the same timeAnd It"s my mine name that is on that JagSo remove your bags let me call you a cabStanding in the front yard telling meHow I"m such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo go ahead and get goneAnd call up on that chick and see if she is homeOops, I bet ya thought that I didn"t knowWhat did you think I was putting you out for?Cause you was untrueRolling her around in the car that I bought youBaby you dropped them keys hurry up before your taxi leavesStanding in the front yard telling meHow I am such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI will have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo since I"m not your everythingHow about I"ll be nothingNothing at all to youBaby I wont shead a tear for youI won"t lose a wink of sleepCause the truth of the matter isReplacing you is so easyTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftTo the leftTo the leftDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - baby ..................You must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceablehttp://music.baidu.com/song/7368014
Irreplaceable 歌词
歌曲名:Irreplaceable歌手:Sugarland专辑:Live On The Inside-Mercury RecordsIrreplaceableBeyonceB"DayTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftIn the closet that"s my stuff - YesIf I bought it nigga please don"t touchAnd keep talking that mess, that"s fineBut could you walk and talk at the same timeAnd It"s my mine name that is on that JagSo remove your bags let me call you a cabStanding in the front yard telling meHow I"m such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo go ahead and get goneAnd call up on that chick and see if she is homeOops, I bet ya thought that I didn"t knowWhat did you think I was putting you out for?Cause you was untrueRolling her around in the car that I bought youBaby you dropped them keys hurry up before your taxi leavesStanding in the front yard telling meHow I am such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI will have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo since I"m not your everythingHow about I"ll be nothingNothing at all to youBaby I wont shead a tear for youI won"t lose a wink of sleepCause the truth of the matter isReplacing you is so easyTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftTo the leftTo the leftDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - baby ..................You must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceablehttp://music.baidu.com/song/2209876
Irreplaceable 歌词
歌曲名:Irreplaceable歌手:Beyonce专辑:Listen (From The Motion Picture Dreamgirls)to the leftto the leftmmm to the left, to the lefteverything you own in the box to the leftin the closet, that"s my stuffyes if i bought it (nigga) please don"t touchand keep talkin" that mess, that"s finebut could you walk and talk at the same time?and it"s my name that"s on that Jagso remove you"re bags, let me call you a cabstandin" in the front yardtellin" me how i"m such a fooltalkin" bout how i"ll never ever find a man like youyou got me twisted(chorus)you must not know "bout me, you must not know "bout mei could have another you in a minutematter fact, he"ll be here in a minutebabyyou must not know "bout me, you must not know "bout mei can have another you by tomorrowso don"t you ever for a second get to thinkingyou"re irreplaceableso go ahead and get goneand call up that chick and see if she"s homeoops, i bet you thought that i didn"t knowwhat did you think i was puttin" you out for?because you was untruerollin" her around in the car that i bought youbaby drop them keyshurry up, before your taxi leavesstandin" in the front yardtellin" me how i"m such a fooltalkin" bout how i"ll never ever find a man like youyou got me twistedyou must not know "bout me, you must not know "bout me(chorus)i could have another you in a minutematter fact, he"ll be here in a minutebabyyou must not know "bout me, you must not know "bout mei will have another you by tomorrowso don"t you ever for a second get to thinkingyou"re irreplaceableso since im not your everythinghow about i"ll be nothingnothing at all to youbaby i wont shed a tear for youi won"t lose a wink of sleepcos" the truth of the matter isreplacing you is so easyto the leftto the leftmmm to the left to the lefteverything you own in a box to the leftto the left to the leftdon"t you ever for a second get to thinking you"re irreplaceable(repeat chorus to end) 冲冲爱beyoncehttp://music.baidu.com/song/8014482
Irreplaceable 歌词
歌曲名:Irreplaceable歌手:Beyoncé专辑:I Am...World TourIrreplaceableBeyonceB"DayTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftIn the closet that"s my stuff - YesIf I bought it nigga please don"t touchAnd keep talking that mess, that"s fineBut could you walk and talk at the same timeAnd It"s my mine name that is on that JagSo remove your bags let me call you a cabStanding in the front yard telling meHow I"m such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo go ahead and get goneAnd call up on that chick and see if she is homeOops, I bet ya thought that I didn"t knowWhat did you think I was putting you out for?Cause you was untrueRolling her around in the car that I bought youBaby you dropped them keys hurry up before your taxi leavesStanding in the front yard telling meHow I am such a fool - Talking aboutHow I"ll never ever find a man like youYou got me twistedYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be here in a minute - babyYou must not know about meYou must not know about meI will have another you by tomorrowSo don"t you ever for a second get to thinking you"re irreplaceableSo since I"m not your everythingHow about I"ll be nothingNothing at all to youBaby I wont shead a tear for youI won"t lose a wink of sleepCause the truth of the matter isReplacing you is so easyTo the leftTo the leftTo the leftTo the leftTo the leftTo the leftEverything you own in the box to the leftTo the leftTo the leftDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - babyYou must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceableYou must not know about meYou must not know about meI could have another you in a minutematter fact he"ll be be here in a minute - baby ..................You must not know about meYou must not know about meI can have another you by tomorrowDon"t you ever for a second get to thinking you"re irreplaceablehttp://music.baidu.com/song/41158127
in order to be irreplaceable one must always be always be different.这个句子有语法错误吗？
有错误的，一般说来，in order to短语的后面都要加“，”的，另外，副词always与be动词连用时，副词always应放于be之后，另外，后面的一个be是多余的，所以，整句话，应该是：In order to be irreplaceable, one must be always different.
碧昂斯《lrreplaceable》的歌词
to the leftto the leftto the left to the lefteverything you own in the box to the leftin the closet, yes thats my stuffyes, if I bought it, then please don"t touch (don"t touch)and keep on talking that mess, thats finecould you walk and talk, at the same time?and- its my name thats on that bagso go move your bags, let me call you a cabstanding in the front yard, telling mehow I"m such a fool, talking "bouthow I"ll never ever find a man like youyou got me twistedyou must not know "bout meyou must not know "bout meI could have another you in a minutematter fact, he"ll be here in a minute (baby)you must not know "bout meyou must not know "bout meI"ll have another you by tomorrowso don"t you ever for a second get to thinkin"you"re irreplaceableso go ahead and get growncall up that chick, and see if shes homeoops I bet you thought, that I didn"t knowwhat did you thinkI was putting you out for?because you was untruerolling around in the car that I bought youbaby, drop them keyshurry up, before your taxi leavesstanding in the front yard, telling mehow I"m such a fool, talking "bouthow I"ll never ever find a man like youyou got me twistedyou must not know "bout meyou must not know "bout meI could have another you in a minutematter fact, he"ll be here in a minute (baby)you must not know "bout meyou must not know "bout meI"ll have another you by tomorrowso don"t you ever for a second get to thinkin"you"re irreplaceableso since I"m not your everythinghow about I be nothing? nothing at all to youbaby i won"t shed a tear for youI won"t lose a wink of sleepcause the truth of the matter isreplacing you is so easyto the left to the leftto the left to the leftmmmmmmmmto the left to the lefteverything you own in the box to leftto the left to the leftdon"t you ever for a second get to thinkingyou"re irreplaceableyou must not know "bout meyou must not know "bout meI could have another you in a minutematter fact, he"ll be here in a minute (baby)you must not know "bout meyou must not know "bout meI"ll have another you by tomorrowso don"t you ever for a second get to thinkin"you must not know "bout meyou must not know "bout meI could have another you in a minutematter fact, he"ll be here in a minute (baby)you can pack all your things- we"re finishedcause you made your bed now lay in itI could have another you by tomorrowdon"t you ever for a second get to thinkin"you"re irreplaceable
求Irreplaceable的中文歌词
全部留下 全部留下 全部留下 盒子里你所有的东西都留下 橱柜里的，那时我的东西 没错，如果是我买的，请不要碰 你一直在谈论那件事情，无所谓 难道你就不能一边走一边说 不要再念叨我的名字 所以，带着你的东西离开巴，我会为你叫出租车 你站在院子前面，告诉我 我有多么傻，告诉我…… 告诉我说我再不会找到像你这样的人 你理解错误了 你一点都不了解我 我在下一分钟就能找到像你这样的 事实就是，下一分钟他就会出现在这里 你一点都不了解我 我明天就会找到另一个你 所以，千万不要以为你是多么不可替代 哪怕一秒钟，都不要多想
irreplaceable 完整的中文歌词
Beyonce - Irreplaceable to the left to the left to the left to the left mmmmmmmmmmmm to the left to the left everything you own in the box to the left in the closet, thats my stuff yes, if I bought it, then please don"t touch (don"t touch) and keep on talking that mess, thats fine but could you walk and talk, at the same time? and- its my name thats on that jag so go move your bags, let me call you a cab standing in the front yard, telling me how I"m such a fool, talking "bout how I"ll never ever find a man like you you got me twisted!!!!!!! you must not know "bout me you must not know "bout me I could have another you in a minute matter fact, he"ll be here in a minute (baby) you must not know "bout me you must not know "bout me I can have another you by tomorrow so don"t you ever for a second get to thinkin" you"re irreplaceable so go ahead and get gone call up that chick, and see if shes home oops I bet you thought, that I didn"t know what did you think I was putting you out for? because you was untrue rolling her around in the car that I bought you baby, drop them keys hurry up, before your taxi leaves standing in the front yard, telling me how I"m such a fool, talking "bout how I"ll never ever find a man like you you got me twisted!!!!!!!! you must not know "bout me you must not know "bout me I could have another you in a minute matter fact, he"ll be here in a minute (baby) you must not know "bout me you must not know "bout me I can have another you by tomorrow so don"t you ever for a second get to thinkin" you"re irreplaceable so since I"m not your everything how about I be nothing? nothing at all to you baby i won"t shed a tear for you I won"t lose a wink of sleep cause the truth of the matter is replacing you is so easy to the left to the left to the left to the left mmmmmmmm to the left to the left everything you own in the box to left to the left to the left don"t you ever for a second get to thinking you"re irreplaceable you must not know "bout me you must not know "bout me I could have another you in a minute matter fact, he"ll be here in a minute (baby) you must not know "bout me you must not know "bout me I can have another you by tomorrow so don"t you ever for a second get to thinkin" you must not know "bout me you must not know "bout me I could have another you in a minute matter fact, he"ll be here in a minute (baby) you can pack all your bags- we"re finished cause you made your bed now lay in it I can have another you by tomorrow don"t you ever for a second get to thinkin" you"re irreplaceable
irreplaceable与unique的区别?
又到了为小伙伴们解惑的时候了 (*u2766ωu2766)，“irreplaceable”指的是不可替代的，表示没有任何其他事物可以代替。而“unique”则指的是独一无二的，表示不存在其它相同、类似或者可替代的事物。这里就给大家总结了一个它们基础知识的表格，可以先简单了解一下先：了解完irreplaceable与unique的基础知识后，现在就来看看它们的具体区别~(@^_^@)~1、意义上的区别irreplaceable指的是不可替代的，表示没有任何其他事物可以代替。而unique则指的是独一无二的，表示不存在其它相同、类似或者可替代的事物。例句：- Family is irreplaceable for many people.（家庭对很多人来说是不可替代的。）- The painting is unique because it is painted on a piece of wood.（这幅画很独特，因为它是画在一块木头上的。）2、描述性质的区别irreplaceable描述的是某个物品或者人的特定性质，即不可替代的，而unique则描述的是某个物品或者人的特质或者特点，即独一无二的。例句：- My grandmother was irreplaceable to our family.（我的祖母对我们家庭来说是不可替代的。）- The furniture store sells unique and beautiful pieces.（家具店出售独特而美丽的产品。）3、语言环境上的区别irreplaceable通常用于一些正式或技术性的场合，而unique则更常用于日常交流中。例句：- The data contained in that report is irreplaceable.（那份报告中的数据是不可替代的。）- My sister has a unique sense of style.（我姐姐有一种独特的时尚感。）4、用于数量上的区别irreplaceable通常用于单一事物的描述，而unique则可以用于描述一个人、物品或者群体的独特性。例句：- This watch belonged to my grandfather and it is irreplaceable for me.（这块手表是我祖父的遗物，对于我来说不可替代。）- The population of that village has many unique traditions.（那个村庄的人口有许多独特的传统。）5、排他性的区别irreplaceable表示的是这个物品/人是唯一的（不可替代），而unique表示的是这个物品/人有一些特殊的品质或特点，但并不排除存在其他有类似品质或特点的事物或人。例句：- The Mona Lisa is an irreplaceable work of art.（蒙娜丽莎是一件不可替代的艺术品。）- My brother has a unique talent for playing the guitar, but there are many other talented guitarists in the world.（我兄弟擅长弹吉他，有着独特的音乐才华，但世界上也有很多其他才华横溢的吉他手。）
Irreplaceable是什么意思
英语——不可替代
MySQL中REPLACE INTO和INSERT INTO的区别分析
insert into表示插入数据，数据库会检查主键（PrimaryKey），如果出现重复会报错；replace into表示插入替换数据，需求表中有PrimaryKey，或者unique索引的话，如果数据库已经存在数据，则用新数据替换，如果没有数据效果则和insert into一样；REPLACE语句会返回一个数，来指示受影响的行的数目。该数是被删除和被插入的行数的和。如果对于一个单行REPLACE该数为1，则一行被插入，同时没有行被删除。如果该数大于1，则在新行被插入前，有一个或多个旧行被删除。如果表包含多个唯一索引，并且新行复制了在不同的唯一索引中的不同旧行的值，则有可能是一个单一行替换了多个旧行。insert ignore表示，如果中已经存在相同的记录，则忽略当前新数据；下面通过代码说明之间的区别，如下：create table testtb(id int not null primary key,name varchar(50),age int);insert into testtb(id,name,age)values(1,"bb",13);select * from testtb;insert ignore into testtb(id,name,age)values(1,"aa",13);select * from testtb;//仍是1，“bb”,13，因为id是主键，出现主键重复但使用了ignore则错误被忽略replace into testtb(id,name,age)values(1,"aa",12);select * from testtb; //数据变为1,"aa",12