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In this article, the editor introduces in detail "what are the main functions of javascript", the content is detailed, the steps are clear, and the details are handled properly. I hope this article "what are the main functions of javascript" can help you solve your doubts.

Javascript is used for responding to browser events, reading and writing HTML elements, validating data before it is submitted to the server, and server-side programming based on Node.js technology.

This article operating environment: windows10 system, javascript 1.8.5, thinkpad T480 computer.

JavaScript is a lightweight, interpretive or just-in-time programming language with function priority. Although it is known as a scripting language for developing Web pages, it is also used in many non-browser environments. JavaScript is based on prototype programming, multi-paradigm dynamic scripting language, and supports object-oriented, imperative, declarative, and functional programming paradigms.

The main functions of javascript are as follows:

Embed dynamic text in the HTML page.

Respond to browser events.

Read and write HTML elements.

Validate the data before it is submitted to the server.

Detect the browser information of the visitor. Control cookies, including creation and modification, etc.

Server-side programming based on Node.js technology.

What is JavaScript? JavaScript is a literal scripting language whose interpreter is called JavaScript engine and is a part of the browser. JavaScript is a scripting language widely used on the client side. It was first used on HTML pages to add dynamic functions to HTML pages.

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