Chapter 3

JavaScript

JavaScript (JS) empowers websites with deeper functionality.

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3.1Adding JavaScript to a file using the <script> element 3.2Defining variables with let and const 3.3Operations (+, -, <, >, and more) 3.4Conditional logic using if...then statements 3.5Randomization using Math.random() 3.6Functions 3.7Loops 3.8The Document Object Model (DOM) 3.9Events