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css3 box-sizing属性 和JS 网页等比例缩放

分类: IT文章 • 2023-03-11 15:56:13

box-sizing属性可以为三个值之一：content-box（default），border-box，padding-box。

content-box，border和padding不计算入width之内

padding-box，padding计算入width内

border-box，border和padding计算入width之内，其实就是怪异模式了~

ie8+浏览器支持content-box和border-box；

ff则支持全部三个值。

 使用时：

-webkit-box-sizing: 100px; // for ios-safari, android

-moz-box-sizing:100px; //for ff

box-sizing:100px; //for other

例：

<style type="text/css">
    .content-box{
        box-sizing:content-box;
        -moz-box-sizing:content-box;
         100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #E6A43F;
        background: blue;
    }
    .padding-box{
        box-sizing:padding-box;
        -moz-box-sizing:padding-box;
         100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #186645;
        background: red;                
    }
    .border-box{
        box-sizing:border-box;
        -moz-box-sizing:border-box;
         100px;
        height: 100px;
        padding: 20px;
        border: 5px solid #3DA3EF;
        background: yellow;
    }
</style>
View Code

css3 box-sizing属性 和JS 网页等比例缩放

网页等比例缩放

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <style>
        .div1 {
            position: relative;
             16%;
            height: 200px;
            margin: 0px 2%;
            background-color: red;
            float: left;
            box-sizing: border-box;
        }

            .div1 img {
                 100%;
                height: 100%;
            }
    </style>
</head>
<body>

    <div class="div1">
        <img src="images/dota_bingyan.png" />
    </div>
    <div class="div1">
        <img src="images/dota_bingyan.png" />
    </div>
    <div class="div1">
        <img src="images/dota_bingyan.png" />
    </div>
    <div class="div1">
        <img src="images/dota_bingyan.png" />
    </div>
    <div class="div1">
        <img src="images/dota_bingyan.png" />
    </div>

</body>
</html>
<script>

    AutoHeight();

    window.onresize = function () {
        AutoHeight();
    };


    function AutoHeight() {
        var oDivss = document.getElementsByClassName("div1");

        for (var i = 0; i < oDivss.length; i++) {
            oDivss[i].style.height = (oDivss[0].offsetWidth * 0.81) + 'px';
        }
    }




    var oDivs = document.getElementsByClassName("div1");

    for (var i = 0; i < oDivs.length; i++) {
        oDivs[i].onmouseover = function () {
            this.style.boxShadow = "0px 0px 15px black";
        };
        oDivs[i].onmouseout = function () {
            this.style.boxShadow = "";
        };

    }



</script>
View Code

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