JavaScript Objects JavaScript Objects is one of the built-in data types, that are used to store key-value pairs. Objects in JavaScript are Variables too, but they can contain many values. Below is an example of a JavaScript Object: Example In an above Example, we have created an object a , and declare several properties inside […]
Difference Between Array and Variable In Programming, most of the beginners get confused between the Variable and an Array. Some thought Variable and Array are same, and some know they both are different, but they don’t know the difference. To understand the difference between variable and an arrays, let me briefly tell you what are […]
JavaScript Arrays JavaScript Arrays is a data structure that is used to collect the elements of same Data Type. Arrays are the great way to store and manipulate collections of data. Here is a syntax of JavaScript array: Syntax: Why Use Arrays If you have any type of list (let’s say list of students), and […]
JavaScript init Function JavaScript init Function is a function that is used to initialize an object. Initialization is the process of setting up the initial values of an object’s properties. When an object is created, an init function is typically called to set its initial state. An init function is not a built-in JavaScript function, […]
JavaScript Check if Function Exists JavaScript gives us a method to check if a function exists or not. We can check it using the typeof operator and an if condition. Using typeof Operator To check if a function exists in JavaScript or not, we can use the typeof operator. This operator will check whether the […]
JavaScript Data Types (with examples) JavaScript is a dynamically-typed language that supports a variety of data types. Data types in JavaScript define the type and nature of the data that can be stored in a variable or passed to a function. Understanding the different data types in JavaScript is essential for developing robust and efficient […]
JavaScript Variables – var, let, const What are JavaScript Variables? JavaScript is a dynamic and flexible programming language used for developing web applications. One of the most important concepts in JavaScript is variables. A variable is a container that stores a value, which can be of any data type, such as a number, string, or […]
JavaScript Variables JavaScript Variables are used to store values, such as numbers, strings, or objects, that can be used throughout a program. To create a variable in JavaScript, we use the “var”, “let”, or “const” keyword, followed by the name of the variable, an assignment operator, and the value you want to assign to the […]
How to Add Comments in JavaScript Comments in JavaScript or in any other language are used to describe and explain the code. Comments make it easier for other developers to understand and maintain the code. There are two ways to add comments in JavaScript: To add a single-line comment in JavaScript, use two forward slashes […]