Preparation code

<script>





</script>
<script>
  Benchmark.prototype.setup = function() {
    var random_1 = function(size) {
       var result = '';
    
       while (size--) {
          result += (0 | Math.random() * 32).toString(32);
       }
    
       return result;
    };
    
    
    var random_2 = function(length) {
      if (!length || length < 0) return "";
        
        return (new Array(++length)).join(0).replace(/./g,function() {
                return(0 | Math.random() * 32).toString(32)
        });
    };
  };
</script>

Test runner

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random_1(1000);

random_2(1000);

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