JavaScript奇技淫巧之遍历数组
正常的for循环就不提了，直接进入正题。如下：
//示例1
for(var i=0,a;a=["jack","tom","lily","andy"][i++];){
console.log(a);
}
//示例2
var ary = ["jack","tom","lily","andy"];
for(var i=0,a;a=ary[i++];){
console.log(a);
}
从F
http://www.cyqdata.cn/cnblogs/article-detail-31710