May 22, 2026 - 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 ...

February 8, 2024 - The spread operator simplifies the process of passing variable-length arguments to functions.

September 18, 2023 - The spread operator, denoted by ..., allows you to spread the elements of an iterable (e.g., an array or a string) into another iterable, function arguments, or object literals.

September 30, 2024 - The spread operator (...) is a convenient way to expand elements of an array or object into individual elements. It's often used to make copies of arrays or objects, combine data, or pass multiple arguments to functions.

November 10, 2022 - Its utility in a function call allows us to extract function parameters from an iterable. In this tutorial, we learn how to use Spread Syntax with arguments in JavaScript functions. A Spread operator, denoted with (...) followed by the name of the iterable expands the iterable into its constituent ...

August 26, 2024 - The spread operator allows you ... When a function expects multiple arguments, you can use the spread operator to pass elements of an array as individual arguments....

October 18, 2022 - When ... occurs in a function call or alike, it’s called a “spread syntax” and expands an array into a list. ... Rest parameters are used to create functions that accept any number of arguments.

August 15, 2018 - Using the rest parameter in the ... spread the value of an array (or any iterable) across zero or more arguments in a function or elements in an array (or any iterable)....

April 29, 2025 - The spread statement in function calls is syntactically identical to the rest statement in definitions, but does the opposite. Let's take the sum() function as an example: const sum = (...numbers) => { let result = 0; for (let num of numbers) { result += num; } return result; }; Let's call sum() by applying the spread statement to an array of arguments:

April 17, 2024 - The JavaScript spread operator (...) 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.

TLDR - Perfecting JavaScript's Spread, Rest, and Default Parameters Spread Operator : Expands iterables (arrays, strings, sets) into individual elements for function calls, arrays, or objects.

January 30, 2019 - The first parameter of the apply function is what's supposed to be the value of "this". The second one is the array we want to pass into the function as arguments. With spread operator, you can achieve the same using:

September 23, 2019 - Spread syntax allows an iterable such as an array expression or string to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected, or an object expression to be expanded in places ...

May 8, 2024 - The spread operator (...) unpacks the elements of an iterable object. The rest parameter (...) packs the elements into an array. The rest parameters must be the last arguments of a function.

February 1, 2017 - Thanks to ES6 and the likes of ... like JSX. I've become a big fan of the spread operator, three dots that may change the way you complete tasks within JavaScript. The following is a listing of my favorite uses of the spread operator within JavaScript! To this point we've called Function.prototype.apply, passing an array of arguments, to call a ...

June 23, 2026 - [...a, ...b] merges arrays; {...obj} copies an object; Math.max(...nums) passes array items as arguments. The same ... syntax in a function parameter is the rest operator, which gathers arguments into an array.

June 5, 2024 - The spread operator can also be used to pass an array as individual function arguments:

December 31, 2019 - We've already seen one usage of ... of an array when destructuring. The spread operator allows you to easily place an expanded version of an array into another array....