摘要: 把你的大脑当做浏览器执行下面的代码两次,分别是IE6和IE9: function testFunc(){ alert('test') } $(function(){ var g = document.getElementById , w = window.testFunc ; //g alert(typeof(g)); alert(String(g)); alert(g instanceof Object); alert(g instanceof Function); //w alert(typeof(w)); alert(String(w)); alert(w instanceof Object); alert(w instanceof Function); //执行 alert(g('t')); w(); }); 阅读全文
posted @ 2011-08-20 11:37 高凡凡高 阅读(2255) 评论(1) 推荐(0) 编辑