Javascript Basics Tutorial - JavaScript Syntax_Basic Knowledge

1. Case sensitive

In JavaScript, variables, functions, and operators are case-sensitive.

2. Weak type variables

Only use the "var" keyword to define variables

Copy code The code is as follows:

var age = 25;
var myscholl = "sanxiao";
var mal = true;

3. The semicolon at the end of each line is optional .

4. Brackets are used for code blocks .

Code Example

Copy code The code is as follows:

That’s it for the first article, we will introduce it in detail later