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Tag Archives: JavaScript-Questions

In this article, you will understand the use of regular expressions to accept special formulas. Here we will start by understanding to use Regular Expressions… Read More
The swapping process refers to changing the value from one variable to another variable. In this article, we will be learning about swapping 2 variables… Read More
A for…in loop is a special loop in JavaScript that enumerates all the keys (object property names) of an object. With each new iteration, a… Read More
In this article, we will see the “Uncaught TypeError: Cannot read properties of undefined (reading ‘rotation’) at animate”. It is a type error for a… Read More
In this article, we will see how to detect download events in your browser. The browser supports something called extension API which allows you to… Read More
Given the side (a, b, c) of a triangle and we have to find the perimeter of a triangle. Perimeter: Perimeter of a triangle is… Read More
Given a positive integer n, write a function to find if it is a power of 2 or not Examples: Input: n = 4 Output:… Read More
Our task is to print the alphabet from A to Z using loops. In this article, we will mainly focus on the following programs and… Read More
In this article, we are given an array that may contain duplicate values. We will print all elements and their frequencies if the duplicates exist.… Read More
What is ‘Simple Interest’?Simple interest is a quick method of calculating the interest charge on a loan. Simple interest is determined by multiplying the daily… Read More
In this article, we are given a number n as input, we need to print its table. Examples: Input : 5 Output : 5 *… Read More
Given two variables, x, and y, swap two variables without using a third variable. Method 1 (Using Arithmetic Operators): Example 1: The idea is to… Read More
A rectangle is a flat figure in a plane. It has four sides and four equal angles of 90 degrees each. In a rectangle all… Read More
What is a WeakMap? A WeakMap is a collection of key/value pairs where the keys are objects and values are any JavaScript object. It is… Read More