- Array push
for (var i = 0, a = []; i < 100; i++) a.push(0);
- Array assign
for (var i = 0, a = new Array(100); i < 100;) a[i++] = 0;
- Typed array conversion slowest
[].slice.call(new Uint8Array(100));
- Binary concatenation
for (var i = 100, a = [], add = [0]; i; i >>=1) { if (i & 1) a.push.apply(a, add); add.push.apply(add, add); }
- Array Apply
Array.apply(null, new Array(100)).map(Number.prototype.valueOf,0);
- Array.fill() fastest
new Array(100).fill(0);