Array.sort
sort — Sorts an array.
Description
Array.sort([function compare])
Parameters
| Name |
Description |
Type |
Default |
Optional |
| compare |
|
function |
|
Yes |
Return values
The sorted array.
Examples
Example #1 – sort example
var array = [32, 8, 2, 16, 4];
console.log(array); // [32, 8, 2, 16, 4]
console.log(array.sort()); // [16, 2, 32, 4, 8]
console.log(array); // [16, 2, 32, 4, 8]
Example #2 – sort example
var array = [32, 8, 2, 16, 4];
var compare = function (a, b) {
if (a < b) {
return -1;
}
else if (a > b) {
return 1;
}
return 0;
};
console.log(array); // [32, 8, 2, 16, 4]
console.log(array.sort(compare)); // [2, 4, 8, 16, 32]
console.log(array); // [2, 4, 8, 16, 32]
A shorter inline version.
var array = [32, 8, 2, 16, 4];
console.log(array); // [32, 8, 2, 16, 4]
console.log(array.sort(function (a, b) {
return a - b;
})); // [2, 4, 8, 16, 32]
console.log(array); // [2, 4, 8, 16, 32]
External references