Sort
- Sorts array elements, usually alphabetically by default.
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Method
- Defines behavior tied to an object.
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Map Method
- Creates a new array by applying a function to each element.
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Inheritance
- One class can extend another to reuse code.
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Super Keyword
- Calls parent class methods from a child class.
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WeakMap
- Stores object keys without preventing garbage collection.
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Destructuring
- Extract values from arrays or objects quickly.
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WeakSet
- Like Set but only accepts objects as values.
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Object Destructuring
- {name, age} = student gives variables directly.
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