shrink-large-array.js (268B)
1 // Shrink a large dense elements allocation of ~2MB to half its size. 2 const sizeMB = 2; 3 const elementCount = (sizeMB * 1024 * 1024) / 8; 4 const array = new Array(elementCount); 5 for (let i = 0; i < elementCount; i++) { 6 array[i] = i; 7 } 8 array.length = elementCount / 2;