In this article on Introduction to Express Framework, I will explain the Express framework that we often use along with the Node Framework. Brief Introduction to Express Framework Basically, Express is a popular open-source back-end web development framework for Node.js. It provides a minimal and flexible set of features for building web applications and APIs. …
How to Access HTML Elements in JavaScript Using ID and Class
In this article, I will explain How to Access HTML Elements in JavaScript Using ID and Class. In order to access HTML elements in JavaScript using their ID and class you can use the following methods: Using ID. For the purpose of accessing an element with a specific ID, you can use the document.getElementById() method. …
How to Perform Form Validation in JavaScript?
In this article, I will explain How to Perform Form Validation in JavaScript. Basically, form validation is the task of checking the user input data on a web form. It ensures that the user input meets certain criteria before it is submitted to the server. Moreover, form validation helps us to prevent invalid or malicious …
How to Use Math Functions in JavaScript?
In this article on How to Use Math Functions in JavaScript, I will explain the functions that the Math object offers. In fact, Math object offers several functions and properties that help us in performing various Math related tasks. The following list provides the properties that the Math object provides. Later an example of using …
Frequently Asked Questions on HTML and JavaScript
The following Frequently Asked Questions on HTML and JavaScript will definitely help you to crack any interview in a web development job. Differentiate between static and dynamic web pages? What is a Home Page? What are a web client and web server? Describe the Web Browser. Give examples of Web Browsers. What is a Search …
HTML and JavaScript Examples
This article presents some HTML and JavaScript Examples. Write HTML code to create a web that displays a list of courses in an unordered list and displays an image in place of bullets. In order to demonstrate the use of the background-image property, create a web page that displays a web page with a background …
How to Use ID and Class Attributes in JavaScript?
In this article, I will explain How to Use ID and Class Attributes in JavaScript. ID Attribute Basically, the ID attribute uniquely identifies an HTML element. For the purpose of styling an HTML element in a specific manner, we use its ID. Moreover, we can access an HTML element in JavaScript using its ID. In …
How to Handle Mouse Events in JavaScript
In this article, I will explain How to Handle Mouse Events in JavaScript. The following code example shows handling five mouse events – mouse up, mouse down, mouse enter, mouse leave, and mouse move. When user presses the mouse button, mouse down event occurs. Similarly, when user releases the mouse button, mouse up event occurs. …
JavaScript Frequently Asked Questions
Given below are some of the JavaScript Frequently Asked Questions. What is JavaScript? What are the features of JavaScript? How to use Internal and external JavaScript? Discuss the data types used in JavaScript? What is meant by event handling? Describe the different type of events that we can handle using JavaScript? What is a function? …
Working with Arrays in JavaScript
February 5, 2022 In this article on Working with Arrays in JavaScript, I will explain how to create and use arrays in JavaScript. Certainly, you will find lots of examples of JavaScript arrays here. For the purpose of creating an array, we can initialize it with values. Also, we can use the Array() constructor. The …