Basic Programming in JavaScript
Explore JavaScript basics: data types, semicolons, comments, console debugging, and linking files with <script>. Get quick insights into each essential topic.
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Learn JavaScript functions: declaring, using them, handling parameters, return values, and hoisting for organized, reusable code.
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Learn to declare variables in JavaScript to make code meaningful and manageable. Use const for fixed values and let for mutable ones, avoiding var.
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Explore JavaScript’s basic data types: String, Number, Boolean, Null, Undefined, Symbol, and BigInt. Learn how they impact values and operations.
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Learn about semicolons in JavaScript, including how automatic insertion works and the impact on code readability.
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Understand JavaScript comments with // for single-line and /* */ for multi-line notes. Comments help document and explain your code.
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Explore the browser console for running JavaScript, debugging code, and handling errors. Learn to open the console, execute commands, and view output.
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Learn how to link JavaScript files to HTML, including naming practices, correct use of the <script> tag, and the differences between relative and absolute paths