PROGRAMMING LANGUAGES · 4 NOTES · UPDATED 2026.08.29

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0102 MIN · 2025.07.29Data-TypesThe primitive, composite, and special data types in JavaScript, with examples and how type conversion and coercion work.0204 MIN · 2024.10.12FunctionsFunction is a block of code designed to perform a particular task, executed when called or invoked.0301 MIN · 2024.09.03HoistingHoisting means - moving the declaration to the top. There are three types of hoisting:0406 MIN · 2025.11.16Lexical Scope and ClosuresHow lexical scope decides what a function can access, and how closures preserve that scope, with the nuances of arrow functions, this, var vs let, and IIFEs.