JavaScript获取元素尺寸和大小操作总结_javascript技巧

var obj = document.getElementById("test");
alert(obj.height + "\n" + obj.width);
// 200px 200px typeof=string只是将style属性中的值显示出来

var obj = document.getElementById("test");
var style = null;
if (window.getComputedStyle) {
style = window.getComputedStyle(obj, null); // 非IE
} else {
style = obj.currentStyle; // IE
}
alert("width=" + style.width + "\nheight=" + style.height);