MHMainak Halderinmainak99.hashnode.dev·Feb 25, 2023 · 2 min readDifference between == and === operatorsLet's dive deep to see how these comparison operators work in different cases IsLooselyEqual (==) operator Let's assume two values are given, the first value as A and the second value as B. Now under different scenarios, we can get - If A and B are o...00
MHMainak Halderinmainak99.hashnode.dev·Feb 15, 2023 · 2 min readWhy console gives "undefined" after printing a output?Given in the above image what you expect the console to print out? 42, Right. But did you notice? That it also gives "undefined" in its second line of output. Why is that? let's dive deep into it and understand what actually works behind it. The abov...01M
MHMainak Halderinmainak99.hashnode.dev·Sep 7, 2022 · 1 min readHoisting in javascript variableIn these post we will discuss about the main idea of hoisting in variable. Hosting in variable - For var keyword - If we are given with the following code snippets - console.log(newVar); /* => undefined */ var newVar = "random string" For th...00
MHMainak Halderinmainak99.hashnode.dev·Sep 7, 2022 · 2 min readDifference between innerHTML, innerText and textContentWhile dom manipulation we should have an idea about the elements where we are manipulating . So in these article we will discuss one main idea about innerHTML, innerText, TextContent with examples. Lets take an example - <p id="select"> We are ...01T
