array filling speed

JavaScript performance comparison

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
[i] = i
var arr = [];

for ( var i = 0; i < 1000; i++ ) {
    arr[i] = i;
}
pending…
[].push
var arr = [];

for ( var i = 0; i < 1000; i++ ) {
    arr.push(i);
}
pending…
pre filled array
var arr = new Array(1000);

for ( var i = 0; i < 1000; i++ ) {
    arr[i] = i;
}
pending…
[] with length pre-set
var arr = [];
arr.length = 1000;

for ( var i = 0; i < 1000; i++ ) {
    arr[i] = i;
}
pending…

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