1 // js数组去重 2 Array.prototype.fun1 = function(){ 3     var arr = this, 4         result = [], 5         i, 6         len = arr.length; 7     for(i = 0;i
     
      {56 57         });58     return result;59     // arr.map(function(v, k){
    60     // });61     // return arr;62 };63 var arr1 = [1,2,3,2];64 arr1.fun1();