JavaScript Introduction-javascript Learning Journey (i)

Introduction to JavaScript

1.javaScript is the most popular scripting language on the Internet, which can be used for Web and HTML, and can be widely used in server-side, PC-side, mobile-side.
2.javaScript scripting language:
JavaScript is the first lightweight programming language.
JavaScript is a programmatic code that can be inserted into an HTML page.
JavaScript can be interpreted and executed by all browsers after inserting HTML pages.

JavaScript implements 1.JAVASCRIPT usage

JavaScript scripts must be placed between the tags.
The script can be placed in the and of the HTML page.

2.javaScript Label

Inserting JavaScript in HTML using tags
Write a code between

JavaScript usage Restrictions

No limit on the number of scripts in HTML
The script is usually placed without interfering with the HTML content

JavaScript Introduction-javascript Learning Journey (i)