Devconquer

You can use concat() method to concatenating of string. The concat() method in JavaScript returns a new string. Syntax: str.concat(str1, str2[, …, strN]); where str1, str2, … strN are the…

You can use charCodeAt() to get the Unicode value of the character of a specified index from a string. charAt javascript method for string returns UTF-16 code which is an…

You can use javascript charAt() method to extract character at the specified index(position) from a string. Syntax: str.charAt(index); where index is integer between 0 and last index of string. Example:…

Functions in javascript are useful to execute a particular task. To use functions, firstly they have to be defined and then you have to call them to execute. Functions make…

An object is a collection of properties. Property is a relation of a name(key) or value. Objects in javascript can be created using the following methods: 1) By using an…

The ternary operator in javascript is useful to assign value based on conditions. This operator is used often as a shortcut to the if-else statement. Also, the nested ternary operator…

Conditional statements in javascript are useful when we have to execute a different block of code or actions according to different conditions. Types of conditional statements: if statement if ……

Introduction to variables: Variables are used to store data values. Declaring and assigning values to variables: ex. var fullName = ‘John Doe’; Here, we have declared a variable called “fullName”…

JavaScript is a very powerful and popular scripting language. It is very simple to learn. Its short form is JS. The filename extension for javascript is ‘.js’. JavaScript is event-driven,…