<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>获取元素尺寸宽高</title>
</head>
<style>
#div{
background-color: #00ff00;
width: 60px;
height: 60px;
padding: 20px;
margin: 20px;
border: 20px solid #00ffff;
}
</style>
<body>
<div id="div">Prosper</div>
<script>
/**
* 获取元素尺寸宽高(不包含margin)
*/
Element.prototype.getElementOffset = function () {
var objData = this.getBoundingClientRect();
if (objData.width) {
return {
w: objData.width,
h: objData.height
}
} else {
return {
w: objData.right - objData.left,
h: objData.top - objData.bottom
}
}
}
console.log(document.getElementById('div').getElementOffset());
</script>
</body>
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