标签：style blog http java color os
<!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=UTF-8"> <title>Insert title here</title> <script type="text/javascript"> //对象字面量 var man = { legs: 2 , hands :2 , head:1 } //给所有的对象生成一个克隆方法 if(typeof Object.prototype.clone ==="undefined"){ Object.prototype.clone = function(){ console.log("clone") ; } } //for-in循环应用在非数组对象上的遍历上 for(var i in man){ console.log(i,":",man[i]) ; } //通过hasOwnProperty 过滤原型链上的属性 for(var i in man) if(man.hasOwnProperty(i)) console.log(i,":",man[i]) ; var s = "1+2 "; console.log(s) ; console.log(eval(s)) ; </script> </head> <body> </body> </html>
JAVASCRIPT基础07-for-in循环,布布扣,bubuko.com
标签：style blog http java color os
原文地址：http://www.cnblogs.com/liaokailin/p/3822928.html
