Sifa length
Sifa length inakuwezesha kujua na
kuweka urefu wa safu.
Muundo
safu.length;
Mfano
Wacha tuonyeshe urefu wa safu arr:
let arr = ['a', 'b', 'c', 'd', 'e'];
console.log(arr.length);
Matokeo ya utekelezaji wa kodi:
5
Mfano
Wacha tupunguze safu hadi vitu 2:
let arr = ['a', 'b', 'c', 'd', 'e'];
arr.length = 2;
console.log(arr);
Matokeo ya utekelezaji wa kodi:
['a', 'b']
