Preparation code

<script>
   function getRandom() {
       return Math.floor(Math.random() * 10000);
   }

  var findLocationLogarithmic = function(n, arr) {
                var left = 0;
                var right = arr.length - 1;
                while (left <= right){
                    var mid = Math.floor((left + right) / 2);
                    if (arr[mid] == n)
                        return mid;
                    else if (arr[mid] < n)
                        left = mid + 1;
                    else
                        right = mid - 1;
                }
                return arr.length;
      }
      
      
      
  var findLocationLinear = function(n, arr) {
      var i, len = arr.length;
      for (i = 0; i < len; i++) {
        if (arr[i] >= n) return i;
      }
      return len;
      }
</script>
<script>
  Benchmark.prototype.setup = function() {
    var largeArray = [];
    for (var n = 0; n < 10000; n++) {
      largeArray.push(n);
    }
  };

  Benchmark.prototype.teardown = function() {
    delete largeArray;
  };
</script>

Test runner

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var newVal = getRandom();
largeArray.push(newVal);
largeArray.sort(function(a, b) {
  return a - b;
});

var newVal = getRandom();
var newPos = findLocationLogarithmic(newVal, largeArray);
largeArray.splice(newPos, 0, newVal);

var newVal = getRandom();
var newPos = findLocationLinear(newVal, largeArray);
largeArray.splice(newPos, 0, newVal);

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 1st July 2011
• Revision 2: published on 15th September 2012 and last updated on 16th September 2012
• Revision 3: published on 6th January 2013
• Revision 4: published by espadrine on 21st January 2013
• Revision 5: published on 5th February 2013
• Revision 6: published on 5th February 2013
• Revision 7: published on 5th February 2013
• Revision 8: published on 22nd March 2013
• Revision 9: published 3 weeks ago

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