Swapping Two Strings in One Line using Array Destructuring | JavaScript Interview Program |
Автор: Playwright Automation Testing
Загружено: 2025-12-01
Просмотров: 18
Welcome to Senthil Smart QA Hub
In this video, we learn the smartest and most simplified method to swap two strings in just one line using JavaScript array destructuring.
No third variable, no concatenation, no extra logic — just a clean one-line swap!
What you’ll learn:
==============
✔ How array destructuring works
✔ How swap happens internally
Code Used in the Video:
===================
let s1 = 'apple',
s2 = 'mango';
[s2, s1] = [s1, s2];
console.log(s1); // mango
console.log(s2); // apple
Final Output:
==========
s1 → mango
s2 → apple
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