* fix: restructure certifications guide articles * fix: added 3 dashes line before prob expl * fix: added 3 dashes line before hints * fix: added 3 dashes line before solutions
321 B
321 B
title
| title |
|---|
| Manipulate Arrays With unshift() |
Manipulate Arrays With unshift()
Hints
Hint 1
While push() added elements to the back of the array, unshift() adds them to the front. All you have to do is:
var arr = [2, 3, 4, 5];
arr.unshift(1); // Now, the array has 1 in the front