Javascript Array Javascript Spread Operator I42XWUJxnq8

Web Reference: Jul 20, 2025 · The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. Learn how to use the three dots operator (...) a.k.a the spread operator in JavaScript. The JavaScript spread operator (...) expands an iterable (like an array) into more elements. This allows us to quickly copy all or parts of an existing array into another array: Jan 16, 2026 · The spread operator (...) in JavaScript provides a simple and expressive way to expand elements from arrays, strings, or objects. It helps make code cleaner by reducing the need for manual copying or looping. This operator is widely used for cloning, merging, and passing values.

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