arr = new Array();
// vs.
arr = [];

arr = new Array(10000);
// vs.
arr = [];
arr.length = 10000;

'use strict';

(function() {

  // variables
  var suite, arr;

  // new benchmark object
  suite = new Benchmark.Suite();

  // add tests
  suite.add('var arr = new array();', function() {
    arr = new Array();
  })
  .add('var arr = [];', function() {
    arr = [];
  })
  // invoke before running
  .on('start', function() {
    console.log('Running tests, please wait...');
  })
  // add listeners
  .on('cycle', function(event) {
    console.log(String(event.target));
  })
  .on('complete', function() {
    console.log('Fastest is ' + this.filter('fastest').map('name'));
  })
  // put in queue and run
  .run({ 'async': true, 'queued': true });

  // new benchmark object
  suite = new Benchmark.Suite();

  // add tests
  suite.add('var arr = new array(10000);', function() {
    arr = new Array(10000);
  })
  .add('var arr = []; arr.length = 10000;', function() {
    arr = [];
    arr.length = 10000;
  })
  // invoke before running
  .on('start', function() {
    console.log('Running tests, please wait...');
  })
  // add listeners
  .on('cycle', function(event) {
    console.log(String(event.target));
  })
  .on('complete', function() {
    console.log('Fastest is ' + this.filter('fastest').map('name'));
  })
  // put in queue and run
  .run({ 'async': true, 'queued': true });

})();