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使用JavaScript更改浏览器窗口大小时如何更改div宽度

[英]How to Change a div width when size of browser window change with javascript

How to Change a div width when size of browser window change with javascript (no jQuery)? 使用JavaScript(无jQuery)更改浏览器窗口大小时,如何更改div宽度? I want to perform this job dynamically when user resize his browser. 我想在用户调整浏览器大小时动态地执行此作业。 Please help, Immediately ... any suggestion for this job with css? 请帮助,立即...对CSS进行这项工作有什么建议吗?

Use percentage. 使用百分比。 for example width="50%" This will change the width when browser size change. 例如width="50%"这将在浏览器大小更改时更改宽度。

You can either set this with CSS or Javscript 您可以使用CSS或Javscript进行设置

CSS would be easily done using %'s ie 使用%s即可以轻松完成CSS

div {
    width: 95%;
}

JS would be easily done using 使用JS可以轻松完成

var element = document.getElementById("x");
window.addEventListener('resize', function(event) {
    element.style.width = window.style.width;
});

This code should work in all browsers. 此代码应在所有浏览器中都有效。 But you really should use CSS instead. 但是您确实应该使用CSS代替。

<!DOCTYPE html >
<html>
<head>
    <meta charset="utf8" />
    <title>untitled</title>
</head>
<body>
<div id="myDiv" style=" height: 200px; margin:10px auto; background: green;"></div>

<script type="text/javascript">
var myElement = document.getElementById('myDiv');
function detectWidth(){
    var myWidth = 0;
    if(typeof (window.innerWidth)== 'number'){
        myWidth = window.innerWidth; 
    }
    else {
        myWidth = document.documentElement.clientWidth;  //IE7
    }
    myElement.style.width=myWidth-300+'px';
}
window.onload=function(){
    detectWidth();  
};
window.onresize = function (){
    detectWidth();
};
</script>
</body>
</html>

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