currentStyle以及getComputeStyle方法获取元素高度实例页面
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CSS代码:
.button {
height: 2em;
border: 0;
border-radius: .2em;
background-color: #34538b;
color: #fff;
font-size: 12px;
font-weight: bold;
}
HTML代码:
<input type="button" id="button" class="button" value="点击我,显示高度" />
JS代码:
document.getElementById("button").onclick = function() {
var oStyle = this.currentStyle? this.currentStyle : window.getComputedStyle(this, null);
alert(oStyle.height);
};