Mar 22, 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. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.

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:

Nov 11, 2024 · The spread operator (...) in JavaScript is a powerful feature used to expand or spread elements of an iterable (like an array or object) into individual elements. It is commonly used in situations where you want to copy or merge arrays, objects, or …

Feb 8, 2024 · The spread operator, denoted by three consecutive dots (...), is primarily used for expanding iterables like arrays into individual elements. This operator allows us to efficiently merge, copy, or pass array elements to functions without explicitly iterating through them. Consider the following array:

Apr 3, 2019 · The spread operator is just 3 dots ... It can be used on iterables like an array or a string. It can provide a function call with an array (or any other iterable) where 0 or more arguments were expected. Example. The below snippet contains a function called sum which expects 3 arguments x, y, and z.

What is the JavaScript Spread Operator? The spread operator, represented by three dots (...), expands elements of an iterable (like arrays) or object properties. It was introduced in ES6 and has become a staple in JavaScript programming for its simplicity and efficiency.

The JavaScript spread operator ... is used to expand or spread out elements of an iterable, such as an array, string, or object. This makes it incredibly useful for tasks like combining arrays, passing elements to functions as separate arguments, or even copying arrays. Here's a quick example of the spread statement.

Jul 11, 2022 · The spread operator is a feature of JavaScript introduced with ES6 that gives you access to the insides of an iterable object. An “iterable object” is anything you can iterate over item by item, such as arrays, objects literals, and strings.

Jan 6, 2025 · What is the Spread Operator in JavaScript? The spread operator ( ... ), introduced in ES6 (ECMAScript 2015), is a syntax that enables the expansion or unpacking of elements from an array or properties from an object into individual elements or key-value pairs.

Basic article on the spread operator in JavaScript. Definition and examples. The spread operator in JavaScript is represented by three dots ( ...). It is used to spread elements of an array, a...