The three dots are known as the spread operator from Typescript (also from ES7). The spread operator return all elements of an array. Like you would write each element separately: let myArr = [1, 2, 3]; return [1, 2, 3]; //is the same as: return […myArr];
Read moreWhat does 3 dots mean in typescript?
The three dots are known as the spread operator from Typescript (also from ES7). The spread operator return all elements of an array. Like you would write each element separately: let myArr = [1, 2, 3]; return [1, 2, 3]; //is the same as: return […myArr];
Read moreWhat do three dots above and below code mean?
When we see three dots (…) in the code, it’s either rest parameters or the spread operator . There’s an easy way to distinguish between them: When three dots (…) is at the end of function parameters, it’s “rest parameters” and gathers the rest of the list of arguments into an array.
Read moreWhat is three dots in VUE JS?
The three dots in JavaScript are the spread / rest operator . The spread syntax allows an expression to be expanded in places where multiple arguments are expected. The rest parameter syntax is used for functions with a variable number of arguments. The spread / rest operator for arrays was introduced in ES6 .
Read moreWhat does ellipses do in JavaScript?
In Javascript, ellipses ( … ) are used for two separate shorthands — rest syntax and spread syntax . Rest syntax will set the remaining elements of a collection to a defined variable.
Read moreWhat does 3 dots mean in React?
(three dots in JavaScript) is called the Spread Syntax or Spread Operator . This allows an iterable such as an array expression or string to be expanded or an object expression to be expanded wherever placed. This is not specific to React. It is a JavaScript operator.31 May 2017
Read moreWhat does 3 dots mean in JS?
Rest operator . When used within the signature of a function, where the function’s arguments should be, either replacing the arguments completely or alongside the function’s arguments, the three dots are also called the rest operator.
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