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JavaScript中获取高度和宽度函数总结

时间:2021-03-26 18:10     来源/作者:JavaScript教程网

html代码:

复制代码 代码如下:

 <body>
     <div class="father" id="father">
         <h3>这是父元素,屏幕分辨率是1366*768</h3>
         <div class="son" id="son">
             <h3>这是子元素,祝大家国庆快乐 </h3>
             <div class="grandson" id="grandson">
                 <h3>这是孙子元素,祝大家国庆快乐 </h3>
                 <h3>我的博客:www.zzvips.com</h3>
                 <h3>程序爱好者QQ群:</h3>
                 <h3>259280570  </h3>
                 <h3>欢迎你加入 </h3>
                 <h3>国庆快乐  </h3>
             </div>
         </div>
     </div>
     <div class="data">
         <h3>数据输出</h3>
         <div id="data"></div>
     </div>
 </body>

 

css:

 

复制代码 代码如下:

 *
     {
         margin: 0 auto;
     }
     .father
     {
         width: 500px;
         height: 750px;
         border: 5px solid red;
         float: left;
     }
     .son
     {
         width: 400px;
         height: 300px;
         border: 5px solid black;
         margin: 20px;
     }
     .grandson
     {
         width: 150px;
         height: 100px;
         border: 5px solid blue;
         margin: 20px;
         overflow: auto;
     }
     .data
     {
         width: 600px;
         height: 750px;
         border: 5px solid red;
         float: left;
         margin-left: 15px;
     }

 

js:

 

复制代码 代码如下:

 window.onload = function()
     {
         /*获取元素对象*/
         var father = document.getElementById('father');
         var son = document.getElementById('son');
         var grandson = document.getElementById('grandson');
         var data = document.getElementById('data');
         data.innerHTML = "<h3>获取视窗大小(跟窗口大小有关)</h3>";
         data.innerHTML += "document.body可见区域宽: "+document.body.clientWidth+"<br/>";
         data.innerHTML += "document.body可见区域高: "+document.body.clientHeight+"<br/>";
         data.innerHTML += "window.innerWidth可见区域宽: "+window.innerWidth+"<br/>";
         data.innerHTML += "window.innerHeight可见区域高: "+window.innerHeight+"<br/>";
         data.innerHTML += "document.documentElement可见区域宽: "+document.documentElement.clientWidth+"<br/>";
         data.innerHTML += "document.documentElement可见区域高: "+document.documentElement.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取元素自身大小(跟是否有滚动条无关)</h3>";
         data.innerHTML += ".son自身宽度(offsetWidth属性,包括左右边框):"+son.offsetWidth+"<br/>";
         data.innerHTML += ".son自身高度(offsetHeight属性,包括上下边框):"+son.offsetHeight+"<br/>";
         data.innerHTML += ".son可视宽度(clientWidth属性,不包括左右边框):"+son.clientWidth+"<br/>";
         data.innerHTML += ".son可视高度(clientHeight属性,不包括上下边框):"+son.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取.grandson滚动大小和可视大小</h3>";
         data.innerHTML += ".grandson滚动宽度(scrollWidth属性):"+grandson.scrollWidth+"<br/>";
         data.innerHTML += ".grandson滚动高度(scrollHeight属性):"+grandson.scrollHeight+"<br/>";
         data.innerHTML += ".grandson可视宽度(clientWidth属性,不包括竖直滚动条和border):"+grandson.clientWidth+"<br/>";
         data.innerHTML += ".grandson可视高度(clientHeight属性,不包括水平滚动条和border):"+grandson.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取.grandson被卷去的大小(跟滚动条的位置有关)</h3>";
         data.innerHTML += ".grandson被卷去的高(scrollTop属性,竖直滚动条滑到最底端):"+grandson.scrollTop+"<br/>";
         data.innerHTML += ".grandson被卷去的左(scrollLeft属性,水平滚动条滑到最右端):"+grandson.scrollLeft+"<br/>";
         data.innerHTML += "<h3>获取浏览器窗口位置(跟窗口大小有关)</h3>";
         /*
         *IE、Chrome、Safari、Opera 都提供了支持 window.screenLeft 和 *window.screenTop,但是Firxfox不支持这个两个属性;
         *Firxfox、Chrome、Safari、Opera 都提供了支持 window.screenX *和 window.screenY,但是 IE 不支持这个两个属性;
         */
         var leftPos = (typeof window.screenLeft == 'number')?window.screenLeft:window.screenX;
         var topPos = (typeof window.screenTop == 'number')?window.screenTop:window.screenY;
         data.innerHTML += "body网页正文部分上(window.screenTop(Y)):"+ topPos+"<br/>";
         data.innerHTML += "body网页正文部分左(window.screenLeft(X)):"+ leftPos+"<br/>";
         data.innerHTML += "<h3>获取屏幕分辨率</h3>";
         data.innerHTML += "屏幕分辨率的高(window.screen.height):"+ window.screen.height+"<br/>";
         data.innerHTML += "屏幕分辨率的宽(window.screen.width):"+ window.screen.width+"<br/>";
         data.innerHTML += "<h3>获取屏幕可用的高宽</h3>";
         data.innerHTML += "屏幕分辨率的高(window.screen.availHeight):"+ window.screen.availHeight+"<br/>";
         data.innerHTML += "屏幕分辨率的宽(window.screen.availWidth):"+ window.screen.availWidth+"<br/>";
         data.innerHTML += "<h3>获取.father的边框大小</h3>";
         data.innerHTML += ".father上边框(clientTop):"+ father.clientTop+"<br/>";
         data.innerHTML += ".father左边框(clientLeft):"+ father.clientLeft+"<br/>";
         data.innerHTML += "<h3>获取.son到父元素边界的距离(即对应margin+父元素对应的border)</h3>";
         data.innerHTML += ".son到父元素上边界(offsetTop):"+ son.offsetTop+"<br/>";
         data.innerHTML += ".son到父元素左边界(offsetLeft):"+ son.offsetLeft+"<br/>";
     }

 

ps:浏览器对盒子的解析存在差异,所以以上得出的数据也会存在小小差异。附图一张。

JavaScript中获取高度和宽度函数总结

完整代码:

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta charset="utf-8" />
<title>test</title>
<style type="text/css">
    *
    {
        margin: 0 auto;
    }
    .father
    {
        width: 500px;
        height: 750px;
        border: 5px solid red;
        float: left;
    }
    .son
    {
        width: 400px;
        height: 300px;
        border: 5px solid black;
        margin: 20px;
    }
    .grandson
    {
        width: 150px;
        height: 100px;
        border: 5px solid blue;
        margin: 20px;
        overflow: auto;
    }
    .data
    {
        width: 600px;
        height: 750px;
        border: 5px solid red;
        float: left;
        margin-left: 15px;
    }
</style>
<script type="text/javascript">
    window.onload = function()
    {
        /*获取元素对象*/
        var father = document.getElementById('father');
        var son = document.getElementById('son');
        var grandson = document.getElementById('grandson');
        var data = document.getElementById('data');
        data.innerHTML = "<h3>获取视窗大小(跟窗口大小有关)</h3>";
        data.innerHTML += "document.body可见区域宽: "+document.body.clientWidth+"<br/>";
        data.innerHTML += "document.body可见区域高: "+document.body.clientHeight+"<br/>";
        data.innerHTML += "window.innerWidth可见区域宽: "+window.innerWidth+"<br/>";
        data.innerHTML += "window.innerHeight可见区域高: "+window.innerHeight+"<br/>";
        data.innerHTML += "document.documentElement可见区域宽: "+document.documentElement.clientWidth+"<br/>";
        data.innerHTML += "document.documentElement可见区域高: "+document.documentElement.clientHeight+"<br/>";
        data.innerHTML += "<h3>获取元素自身大小(跟是否有滚动条无关)</h3>";
        data.innerHTML += ".son自身宽度(offsetWidth属性,包括左右边框):"+son.offsetWidth+"<br/>";
        data.innerHTML += ".son自身高度(offsetHeight属性,包括上下边框):"+son.offsetHeight+"<br/>";
        data.innerHTML += ".son可视宽度(clientWidth属性,不包括左右边框):"+son.clientWidth+"<br/>";
        data.innerHTML += ".son可视高度(clientHeight属性,不包括上下边框):"+son.clientHeight+"<br/>";
        data.innerHTML += "<h3>获取.grandson滚动大小和可视大小</h3>";
        data.innerHTML += ".grandson滚动宽度(scrollWidth属性):"+grandson.scrollWidth+"<br/>";
        data.innerHTML += ".grandson滚动高度(scrollHeight属性):"+grandson.scrollHeight+"<br/>";
        data.innerHTML += ".grandson可视宽度(clientWidth属性,不包括竖直滚动条和border):"+grandson.clientWidth+"<br/>";
        data.innerHTML += ".grandson可视高度(clientHeight属性,不包括水平滚动条和border):"+grandson.clientHeight+"<br/>";
        data.innerHTML += "<h3>获取.grandson被卷去的大小(跟滚动条的位置有关)</h3>";
        data.innerHTML += ".grandson被卷去的高(scrollTop属性,竖直滚动条滑到最底端):"+grandson.scrollTop+"<br/>";
        data.innerHTML += ".grandson被卷去的左(scrollLeft属性,水平滚动条滑到最右端):"+grandson.scrollLeft+"<br/>";
        data.innerHTML += "<h3>获取浏览器窗口位置(跟窗口大小有关)</h3>";
        /*
        *IE、Chrome、Safari、Opera 都提供了支持 window.screenLeft 和 *window.screenTop,但是Firxfox不支持这个两个属性;
        *Firxfox、Chrome、Safari、Opera 都提供了支持 window.screenX *和 window.screenY,但是 IE 不支持这个两个属性;
        */
        var leftPos = (typeof window.screenLeft == 'number')?window.screenLeft:window.screenX;
        var topPos = (typeof window.screenTop == 'number')?window.screenTop:window.screenY;
        data.innerHTML += "body网页正文部分上(window.screenTop(Y)):"+ topPos+"<br/>";
        data.innerHTML += "body网页正文部分左(window.screenLeft(X)):"+ leftPos+"<br/>";
        data.innerHTML += "<h3>获取屏幕分辨率</h3>";
        data.innerHTML += "屏幕分辨率的高(window.screen.height):"+ window.screen.height+"<br/>";
        data.innerHTML += "屏幕分辨率的宽(window.screen.width):"+ window.screen.width+"<br/>";
        data.innerHTML += "<h3>获取屏幕可用的高宽</h3>";
        data.innerHTML += "屏幕分辨率的高(window.screen.availHeight):"+ window.screen.availHeight+"<br/>";
        data.innerHTML += "屏幕分辨率的宽(window.screen.availWidth):"+ window.screen.availWidth+"<br/>";
        data.innerHTML += "<h3>获取.father的边框大小</h3>";
        data.innerHTML += ".father上边框(clientTop):"+ father.clientTop+"<br/>";
        data.innerHTML += ".father左边框(clientLeft):"+ father.clientLeft+"<br/>";
        data.innerHTML += "<h3>获取.son到父元素边界的距离(即对应margin+父元素对应的border)</h3>";
        data.innerHTML += ".son到父元素上边界(offsetTop):"+ son.offsetTop+"<br/>";
        data.innerHTML += ".son到父元素左边界(offsetLeft):"+ son.offsetLeft+"<br/>";
    }
</script>
</head>
<body>
    <div class="father" id="father">
        <h3>这是父元素,屏幕分辨率是1366*768</h3>
        <div class="son" id="son">
            <h3>这是子元素,祝大家国庆快乐 </h3>
            <div class="grandson" id="grandson">
                <h3>这是孙子元素,祝大家国庆快乐 </h3>
                <h3>我的博客:www.zzvips.com</h3>
                <h3>程序爱好者QQ群:</h3>
                <h3>259280570 </h3>
                <h3>欢迎你加入 </h3>
                <h3>国庆快乐 </h3>
            </div>
        </div>
    </div>
    <div class="data">
        <h3>数据输出</h3>
        <div id="data"></div>
    </div>
</body>
</html>

 

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