JavaScript basics - understanding js

JavaScript basic syntax

identifier arithmetic operator assignment operator

comparison operator logical operator

Variables Assignment of variables and variable types

JavaScript core articles—conditional control statements

JavaScript core article—for loop statement

while loop and dowhile loop

Multi-branch switch statement

String manipulation functions

Type conversion

JavaScript Core Chapter—Array

Array operation function

JavaScript Core Chapter—Function

variable scope

JavaScript Core Chapter—Events

JavaScript Improvement—HTMLDOM

JavaScript Improvement—Changing CSS Styles

Date (date object)

JavaScript controls DIV style

JavaScript--select all

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