Benchmark: Create Square 2D Array

Script Preparation code:

var size = 15;

Tests:

While Loop with declaration
const array = []; array.length = size; let index = array.length; while (index-- > 0) { const temp = []; temp.length = size; array[index] = temp; }
While Loop with Slice
const array = []; array.length = size; let index = array.length; const temp = []; temp.length = size; while (index-- > 0) array[index] = temp.slice(0);
While Loop with Push and Slice
const array = []; array.length = size; let index = array.length; const temp = []; temp.length = size; while (index-- > 0) array.push(temp.slice(0));
While Loop with Push
const array = []; array.length = size; let index = size; while (index-- > 0) { const temp = []; temp.length = size; array.push(temp); }
Array.from with map
const array = Array.from(Array(size), () => { const temp = []; temp.length = size; return temp; });
Array.from with map and slice
const temp = []; temp.length = size; const array = Array.from(temp, () => temp.slice());

Rendered benchmark preparation results:

Previous results

Test case name	Result
While Loop with declaration
While Loop with Slice
While Loop with Push and Slice
While Loop with Push
Array.from with map
Array.from with map and slice

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Related benchmarks:

Create Square 2D Array (version: 0)