add arr.sort

This commit is contained in:
mhrooz 2024-06-16 21:21:58 +02:00
parent 096d8af2ee
commit a5be34f3ab

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@ -34,4 +34,18 @@ console.log(someUsers);
// arr.map(fn)
let lengths = array.map(item=>item.length);
alert(lengths);
console.log(lengths);
// arr.sort(fn)
function compare(a, b){
if (a > b) return 1;
if (a == b) return 0;
if (a < b) return -1;
}
arr = [15, 2 ,1];
console.log(`arr.sort(): ${arr.sort(compare)}`);
console.log(`arr.sort(): ${arr.sort((a,b) => a - b)}`);
let countries = ['Österreich', 'Andorra', 'Vietnam'];
console.log(countries.sort((a,b) => a.localeCompare(b)))