React Js: Library or framework? Most of the time at the beginning, developers used to introduce React Js as a framework or alternate option of Angular. Yes React developed like a frame work since the beginning but it is actually not a framework. Why? A framework should have all of…

Trouble with symbols? Have you seen Symbol() in JavaScript? Probably yes or probably not, but there is a reason to include it after ES6. Symbol actually returns a unique “key” for every time call it. Suppose you have an e-commerce application. Your users need to add products to the cart…

Data Types VS Primitives Data type is what type of data do JavaScript deals with. JavaScript always works with Strings, Numbers, Boolean, Symbols (New Addition in ES6), Objects (Function, Array, Date, RegEx), Null, Undefined. And primitives are Strings, Numbers, Boolean, BigInt, Symbol, Null, Undefined. Now the question is if primitives…