The spread operator allows us to 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). The rest parameter allows us to pass an indefinite number of parameters to a function and access them in an array.
Read moreWhat is the rest parameter?
Rest parameter is an improved way to handle function parameter , allowing us to more easily handle various input as parameters in a function. The rest parameter syntax allows us to represent an indefinite number of arguments as an array.28 Eyl 2021
Read moreWhat is the rest operator in JS?
In JavaScript functions, rest gets used as a prefix of the function’s last parameter. The rest operator ( … ) instructs the computer to add whatever otherInfo (arguments) supplied by the user into an array . Then, assign that array to the otherInfo parameter.15 Eyl 2021
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 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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