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(UPI) Chapter 1: HTML, CSS, and JavaScript Basics

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JavaScript Syntax Essential

Case Sensitivity

JavaScript is case-sensitive. This means that all keywords, variable names, and function names must be written consistently. If you create a function Hello(), it is different from the function HELLO(), hello(), or hEllo(). For example, the statement IF (x \> 0\) { } leads to a syntax error because the keyword if is defined in lower-case.

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