JavaScript
What is JavaScript?
JavaScript is a web programming language. It helps create interactive features and enhances the dynamic behavior of web applications. It is easily integrated and can be used for both CSS and HTML to update or change settings completely.
Why You Need JavaScript?
It is a cross-platform and one of the most popular web languages that a developer should learn. With JavaScript, you can program and control the functionality of a webpage.
- Every major browser supports JavaScript, including Chrome, Mozilla Firefox, Safari, and others.
- It can be used to enhance graphics and improve the overall user experience.
- It is used in the development of mobile apps, desktop apps, and games.
Changing HTML Content with JavaScript
Many developers and programmers use the getElementById() method to modify an HTML element with JavaScript.
Changing HTML Attribute Values with JavaScript
JavaScript can also be used to alter one HTML attribute to another.
Changing HTML Styles (CSS) with JavaScript
JavaScript allows you to modify the appearance of HTML elements by altering their styles.
Hiding HTML Elements with JavaScript
To hide an HTML element using JavaScript, modify its style by setting the display property to “none.”
Showing HTML Elements with JavaScript
A hidden HTML element can be shown with JavaScript by changing its display style settings.
JavaScript Frameworks and Libraries
Programmers use this to create a whole application and choose its structure. There are hundreds of JavaScript libraries that have already been developed and can be used directly to change the structure of your application.
JavaScript Frameworks
Here is a list of the most commonly used JavaScript frameworks for website development, app development, and backend development.
- React
- Angular
- Backbone.js
- Mocha
- Polymer
- Node.js
- Ember.js
- Vue.js
- Meteorjs
JavaScript Libraries
A JavaScript library has pre-defined functions, methods, objects, and other elements. It can be imported into your JavaScript code or software, allowing you to utilize its pre-written functions, classes, and other features. Here are a few widely used JavaScript libraries:
- jQuery
- Axios
- Chart.js
- D3.js
- Socket.io
- Underscore.js
- Lodash
- Three.js
