51 lines
1.2 KiB
HTML
51 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>Document</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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.outer {
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width: 400px;
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height: 400px;
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background: red;
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padding: 50px;
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border: 10px solid skyblue;
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margin: 20px;
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}
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.inner {
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width: 100px;
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height:100px;
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background: green;
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padding: 10px;
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border: 5px solid blue;
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margin: 20px;
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}
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</style>
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</head>
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<body>
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<div class="outer">
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<div class="inner" id="inner"></div>
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</div>
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<input type="button" value="按钮" id='btn'>
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<script type="text/javascript">
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//offset
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var btn = document.getElementById('btn')
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var inner = document.getElementById('inner')
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document.getElementById('btn').onclick = function() {
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//获取元素的宽度(content border padding)
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console.log(inner.offsetWidth); //不包括maigin
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//获取元素的高度
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console.log(inner.offsetHeight);
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//普通文档流 元素距离左侧的距离
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console.log(inner.offsetLeft);
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console.log(inner.offsetTop);
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}
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</script>
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</body>
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</html> |