Learn JavaScript programming language of HTML and the Web.

JavaScript Can Change HTML Content One of many JavaScript HTML methods is getElementById(). This example uses the method to "find" an HTML element (with id="demo") and changes the element content (innerHTML) to "Hello JavaScript":

Intermediate 0(0 Ratings) 0 Students enrolled
Created by Aijaz Alam Last updated Thu, 16-Apr-2020 English
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Curriculum for this course
5 Lessons 00:28:58 Hours
Javascript
5 Lessons 00:28:58 Hours
  • Javascript Introduction 00:05:26
  • Javascript Document Write Output 00:06:01
  • Javascript Console Log Output 00:04:41
  • Javascript InnerHtml Output 00:09:03
  • Javascript Window Alert Output 00:03:47
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Description

Why Study JavaScript?

JavaScript is one of the 3 languages all web developers must learn:

   1. HTML to define the content of web pages

   2. CSS to specify the layout of web pages

   3. JavaScript to program the behavior of web pages

Web pages are not the only place where JavaScript is used. Many desktop and server programs use JavaScript. Node.js is the best known. Some databases, like MongoDB and CouchDB, also use JavaScript as their programming language.

Learning Speed

In this tutorial, the learning speed is your choice.

Everything is up to you.

If you are struggling, take a break, or reread the material.

Always make sure you understand all the "Try-it-Yourself" examples.


JavaScript References

We maintains a complete JavaScript reference, including all HTML and browser objects.

The reference contains examples for all properties, methods and events, and is continuously updated according to the latest web standards.

Complete JavaScript Reference

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