.concat vs new array

JavaScript performance comparison

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Test Ops/sec
New array
var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

var newArray = new Array();

for (var i = 0; i < array.length; i++) {
  newArray.push(array[i]);
};
pending…
.concat
var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

var newArray = [].concat(array);
pending…

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