HTML DOM offsetLeft 属性
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<p>点击按钮获取 div 元素的位置:</p>
<p></p>
<p id="demo">offsetLeft: <br>offsetTop: </p>
<script>
function myFunction() {
var testDiv = document.getElementById("test");
var demoDiv = document.getElementById("demo");
demoDiv.innerHTML = "offsetLeft: " + testDiv.offsetLeft + "<br>offsetTop: " + testDiv.offsetTop;
}
</script>
</body>
</html>
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