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25 de sept. de 2023 · 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 Spread Operator. 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: Example. Assign the first and second items from numbers to variables and put the rest in an array: const numbersOne = [1, 2, 3];
Se trata del "spread operator" u operador de propagación, que nos puede ayudar a ahorrar unas cuantas líneas de código en muchas ocasiones, así como crear un código más consistente. Para los que conocieron el operador rest , en el pasado artículo del manual de Javascript ES6 , cabe decir que es más o menos la operación contraria.
15 de feb. de 2021 · El spread operator que incorpora ECMAScript 6 en JavaScript es un operador que simplifica la recogida de valores en una estructura de datos. Su representa con tres puntos: ...
- Alex Tomás
Spread syntax allows an iterable such as an array expression 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 where zero or more key-value pairs (for object literals) are expected.
10 de ago. de 2021 · JavaScript has two awesome data structures that help you write clean and efficient code. But handling them can get messy sometimes. In this blog, I am going to show you how to handle destructuring in arrays and objects in JavaScript. We'll also learn how to use the spread operator as.
