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Articles tagged with #hoisting
If you've ever wondered why JavaScript sometimes throws a ReferenceError even though your variable is declared — you're not alone. The answer lies in two concepts: hoisting and the Temporal Dead Zone (TDZ). 🧠 What is Hoisting? Hoisting is JavaScrip...
What is Hoisting? Hoisting is a JavaScript mechanism where variable and function declarations are moved (“hoisted”) to the top of their scope before execution. It’s not magic—it’s how the JS engine sets up memory during the creation phase of executio...
One of the most fundamental concepts in JavaScript that often confuses developers is the difference between primitive and reference values. This distinction affects how variables are stored, copied, compared, and passed to functions. Understanding th...