Looping in JS
The article introduces JavaScript loops and explains why they are used to execute code repeatedly. It provides several for‑loop examples, including counting up, counting down, FizzBuzz, and using continue or break statements. The explanations target beginners and illustrate how each construct works.
- ▪Loops allow a block of code to run multiple times without duplicating code, improving efficiency.
- ▪The article shows the standard for‑loop syntax (initialization; condition; increment) and demonstrates counting from 1 to 5 and from 5 down to 1.
- ▪A FizzBuzz example illustrates conditional logic inside a loop, printing "Fizz" for multiples of 3 and "Buzz" for multiples of 5.
- ▪Using the continue keyword skips even numbers to print only odd numbers, while the break keyword stops the loop when a specified condition is met.
- ▪Each code snippet is accompanied by a step‑by‑step explanation of how the loop variables change and when the loop terminates.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3690772) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Guna Ramesh Posted on Jun 26 Looping in JS #javascript #beginners #basic What is Looping? And why do we use it? Loops are used to execute a block of code repeatedly without writing the same code multiple times. They help reduce code repetition and make programs more efficient.
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