var oDiv = document.getElementById(‘aa‘);
if(oDiv.currentStyle){
var style = oDiv.currentStyle;
alert(‘ie:‘+style.width)
} else if(window.getComputedStyle) {
var style = window.getComputedStyle(oDiv);
alert(‘谷歌:‘+style.width)
}
函数语法：currentStyle、getComputedStyle兼容判断
原文：https://www.cnblogs.com/liubingyjui/p/10234811.html