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 in JavaScript mean?
(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 a dot mean in JavaScript?
The dot notation is used to access the object properties in JavaScript.
Read moreWhat do three dots mean in React?
The three dots (…) notation referred to as the Spread syntax has been part of React for a long time when it could be used via transpilation, although, it has been made a part of JavaScript as part of the ES2015 syntax.
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 do 3 dots mean in JavaScript?
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.
Read moreWhat is the function of 3 dots?
The three dots ( … ) are used in a function’s declaration as a parameter. These dots allow zero to multiple arguments to be passed when the function is called . The three dots are also known as var args .
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