map method in javascript array with example
Javascript map function is called on an array. It is used to apply some operation on elements of the array or to transform array elements. This is the reason it…
How to check if array contains duplicate values in javascript
Many times we need to determine the presence of duplicate or repeated elements in a javascript array such as when applying a duplicate validation over a field on a page.…
Array.some function in javascript
Javascript some function is executed on an array and is used to check if array elements meet some condition such as to check if all array elements are greater than…
How to find power of a number raised to another number in java
This article will outline various methods in which a number can be raised to the power of another number in java. Method 1: Using while loop Power of a number…
Python program to check leap year
What is a leap year? A normal year has 365 days but when an year has 366 days, it is said to be a leap year. A leap year comes…
How to find the sum of first n even numbers using java program
This article will explain 3 ways in which you can write a java program to calculate the sum of first n even numbers. In the example programs given in this…
How to find sum of digits of number without using loop in java
Finding the sum of digits of a number involves iterating over the number, getting each digit of the number and adding it to a sum. But this approach requires a…
How to toggle CSS class in angular
Many times we need to change the look and feel of an element in response to an event. This means that we need to apply dynamic style to an element…
How to apply dynamic style to elements in angular
Applying style or CSS classes dynamically in angular is an important feature and makes an application flexible and powerful. There are different methods in which styles can be applied to…