标签：length script rip val var lang turn prot type
Array.prototype.indexOf = function(val) {
for (var i = 0; i < this.length; i++) {
if (this[i] == val) return i;
}
return -1;
};
标签：length script rip val var lang turn prot type
原文地址：https://www.cnblogs.com/feiqiangsheng/p/13151641.html
