new array vs literal (v9)

Revision 9 of this benchmark created by Robert Ferentz on

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Testing in
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new Array(length)
var newArray = new Array(500000)

for (var i = 0; i < 500000; ++i) {
    newArray[i] = i;
}
ready
new Array()
var newArray = new Array();

for (var i = 0; i < 500000; ++i) {
    newArray[i] = i;
}
ready
array literal w/length
var array = [];
array.length = 500000;

for (var i = 0; i < 500000; ++i) {
    array[i] = i;
}
ready
array literal
var array = [];

for (var i = 0; i < 500000; ++i) {
    array[i] = i;
}
ready
array literal with preset index
var array = [], i=0;

for (; i < 500000; ++i) {
    array[i] = i;
}
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array literal with preset index and push
var array = [], i=0;

for (; i < 500000; ++i) {
    array.push(i);
}
ready

Revisions

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