<ul><li>JavaScript's handling of memory and data types is often misunderstood, leading to bugs and performance issues.</li><li>Primitive values are stored directly in the variable, while reference values store a pointer to the data.</li><li>JavaScript has primitive types like String, Number, Boolean, Undefined, Null, Symbol, and BigInt, as well as reference types like Objects (including Arrays, Functions, Dates, RegExps, Maps, Sets, etc.).</li><li>Understanding JavaScript's memory model can help in avoiding unintended side effects, making informed decisions about copying data, preventing memory leaks, and writing more performant code.</li></ul>

JavaScript Memory Model: Understanding Data Types, References, and Garbage Collection

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