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Series
This series is your ultimate guide to master JavaScript. From fundamentals, like variables and functions, to exploring ES6+ features, asynchronous programming, and practical applications such as DOM manipulation, we cover it in an easy format.
Execution Context Everything in JavaScript happens inside the Execution Context, It can be assumed as a container inside which the whole JavaScript program runs. What is an Execution Context ? Execution Context is like a big box and it has two compon...
What is the smallest JavaScript Program ? The smallest/shortest program in javascript is an empty file. Even though the file is empty and there is nothing to execute, Still JavaScript Engine do a lot of things behind the scenes. A global execution co...
In JavaScript, variables can be declared in 3 different types, which are var, let and const. We have already covered var declarations, now we’ll be covering the remaining two. NOTE: Let & Const declarations are also hoisted but they are hoisted d...
Closures Let’s see a code snippet first function x(){ var a = 7; function y(){ console.log(a); } y(); } x(); When we will run this program we know that the output is going to be 7 because when we are trying to access a from t...
As we know that JavaScript is a single threaded language and has only one call stack which means that it can perform a single task at a time. This call stack is present inside the JavaScript Engine and all the code of JavaScript is executed inside th...
As we know that JavaScript Engine has just a single call stack which means that it can execute one statement at a time and executes it immediately and does not wait for anything. But if we really need to wait for sometime before executing the further...
