introduces fundamental JavaScript concepts. Variables and their declaration using var and let are explained, along with data types such as numbers, strings, booleans, and arrays. Operators, including mathematical, assignment, comparison, and logical operators (AND/OR), are covered, demonstrating their use within the context of conditional statements (if) and loops (while, for, forEach). The document also explains the alert function and shows examples for each concept. Finally, operator precedence is briefly mentioned with a link to further information.

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