The JavaScript ternary operator is a shortcut for writing an if-else statement in a single line. Earlier you may have written a full if-else block to choose between two expressions. With the ternary operator, you write a compact expression that reads cleanly and returns a value you can store or print. JavaScript Ternary Operator syntax … Read more
Converting strings to numbers and numbers to strings in JavaScript is straightforward. I’ll show every method I use, explain what each one does, and when to pick one over the other. You’ll see four different ways to turn a string into a number, and two ways to turn a number into a string. String to … Read more
Getting the current date and time in JavaScript is easy. You can generate the current date and time using the inbuilt `Date` function automatically. It gives you the current date and time based on your computer or your device setting. Basics – JavaScript Date Object First understand the basic syntax by which we … Read more
Here we learn how to check if a value is defined or null in JavaScript, and how equality works with these values. JavaScript Null vs Undefined Definitions What is undefined? The undefined is a variable that is declared but not assigned any value yet. It means you declare a variable but you have … Read more
I’m going to show you how to capitalize the first letter in JavaScript. JavaScript does not have a built-in method to capitalize just the first letter, but we can create our own logic to convert the first letter to capital. Let’s understand the concept step by step. Why JavaScript Capitalize First Letter Since … Read more
We are going to learn how to use _break_ and _continue_ in loops. _break_ is used to exit the loop and _continue_ is used to skip the current iteration. We will implement it in JavaScript step by step. JavaScript Break and Continue Basic loop I want to get all the numbers from 0 to 9. … Read more
I am going to show how to format strings with template literals using the back tick and the dollar sign. It is a very easy and efficient method. The basic syntax is that you use the back tick (below your Escape key) and you use the dollar sign with curly braces like ${} to insert … Read more
Generating random numbers in JavaScript is straightforward. For generating random numbers, we use the random function which is given by JavaScript, which gives a value between 0 and 1. From the Math library we are calling this random function, and by this a random number will be generated and that particular number will be between … Read more
The map method is one of the most powerful functions for working with arrays. It helps to quickly transform data in JavaScript in a very smart and very clean way. It is used to create a new array by applying a particular function on each and every element of the original array. The map does … Read more
Prototype in JavaScript is a hidden feature that allows us to add new properties or methods to objects and share them across different instances. I will explain how it works and how to write the prototype in JavaScript. Every function in JavaScript has a special property called prototype. It is used to add methods and … Read more