Set and Map in JavaScript
JavaScript provides many data structures to store and manage data. Most beginners start with: Objects Arrays But modern JavaScript also provides two powerful data structures: Map Set These sol
May 9, 20268 min read2
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Promises in JavaScript
Modern JavaScript applications perform many tasks that take time. Examples: Fetching data from APIs Reading databases Uploading files Authentication systems Waiting for timers These operations
May 9, 20267 min read1
Async/Await in JavaScript: Writing Cleaner Asynchronous Code
Modern JavaScript applications perform many tasks that take time. Examples: Fetching data from APIs Uploading files Reading databases Waiting for timers User authentication Handling these tasks
May 9, 20267 min read1
Destructuring in JavaScript
Writing JavaScript becomes much cleaner and shorter when we learn destructuring. Without destructuring, we often repeat object names and array indexes again and again. Destructuring helps us extract v
May 9, 20267 min read1
Synchronous and Asynchronous JavaScript
JavaScript looks simple when we first start learning it. We write one line after another, and the program runs step by step. But when websites start doing things like: Fetching data from APIs Waitin
May 9, 20267 min read
Error handling mechanism : try-catch-finally
1. What Are Errors in JavaScript? Errors are problems that occur when your JavaScript code runs. They stop your program from working as expected. There are mainly three types of errors: a) Syntax Erro
Apr 22, 20264 min read2
Everything about 'This' keyword :
The this keyword of JavaScript seems confusing to the beginners — but once you understand who is calling the function, everything becomes easy. Golden Rule:this always refers to the caller of the func
Apr 22, 20263 min read2
String Polyfills and Common Interview Methods in JavaScript
Strings are one of the most commonly used data types in programming. Whether you're building a website, writing backend logic, or preparing for coding interviews, mastering strings is essential. This
Apr 22, 20264 min read7
Spread vs Rest Operators in JavaScript
JavaScript ES6 introduced two powerful features: the spread (...) and rest (...) operators. Although they use the same syntax, their behavior and purpose are quite different. Understanding these opera
Apr 22, 20265 min read2