Run results for: Math.radom() * 40

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var a = [];

Tests:

cycle
for(var i=0; i<40; i++) { a[i] = Math.random() ; }
no cycle
a[0] = Math.random(); a[1] = Math.random(); a[2] = Math.random(); a[3] = Math.random(); a[4] = Math.random(); a[5] = Math.random(); a[6] = Math.random(); a[7] = Math.random(); a[8] = Math.random(); a[9] = Math.random(); a[10] = Math.random(); a[11] = Math.random(); a[12] = Math.random(); a[13] = Math.random(); a[14] = Math.random(); a[15] = Math.random(); a[16] = Math.random(); a[17] = Math.random(); a[18] = Math.random(); a[19] = Math.random(); a[20] = Math.random(); a[21] = Math.random(); a[22] = Math.random(); a[23] = Math.random(); a[24] = Math.random(); a[25] = Math.random(); a[26] = Math.random(); a[27] = Math.random(); a[28] = Math.random(); a[29] = Math.random(); a[30] = Math.random(); a[31] = Math.random(); a[32] = Math.random(); a[33] = Math.random(); a[34] = Math.random(); a[35] = Math.random(); a[36] = Math.random(); a[37] = Math.random(); a[38] = Math.random(); a[39] = Math.random();
do while
var i = 0; do { i = i + 1; a[i] = Math.random(); } while (i < 40);
cycle without Math.random()
for(var i=0; i<40; i++) { a[i] = i; }