花费 5 ms
判断一个值或者字符串是否在数组中

function in_array(c, b){   if (typeof c == "string" || typeof c == "number"){     for (var a in b) {       if (b[a] == c) {         return true ...

Thu Mar 10 00:57:00 CST 2016 0 2551

 
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