js中map

  var key1 = '動態key1'; var key2 = '動態key2'; var map = {}; map[key1] = 1; map[key2] = 2;   console.log(map[key1]);//結果是1. console.log(map[key2]);//結果是2.   //若是遍歷map for(var prop in map){      console.l

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