javascriptShuffle (randomize) an array
var arr = [1, 2, 3, 4, 5];
for ( var i = arr.length - 1; i > 0; i-- ) {
var rand = Math.round(Math.random() * i);
[arr[i], arr[rand]] = [arr[rand], arr[i]];
}ctrl + cvar arrdeclare test array to randomize | Math.round(Math.random() * i)pick random index |
[arr[i], arr[rand]] = [arr[rand], arr[i]]swap values between current ( | |