如何遍历一个JS对象的属性和方法

来源：互联网发布：php套件哪个好编辑：程序博客网时间：2024/05/16 09:24

示例代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>testExtjs4</title> <script type="text/javascript" src="../js/classextends1.js"></script> <script type="text/javascript">for (pro in document){document.write("document."+pro+"="+document[pro]+"<br>");}</script></head><body></body></html>

示例2：

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>testExtjs4</title><script type="text/javascript">function Test(){this.prop1='val1';this.prop2='val2';this.prop3='val3';this.tf= function(){return this.prop1;}}Test.prototype.tf1 = function(){return this.prop2;};var t = new Test();for (pro in t){document.write("t."+pro+"="+t[pro]+"<br>");}</script></head><body></body></html>