JavaScript Rest Operator

JavaScript Rest Operator

JavaScript Rest Operator represented by (….) as same as spread operator. The main difference between rest and spread is that the rest operator puts the rest of some specific user-supplied values into a JavaScript array. But the spread syntax expands iterables into individual elements using rest parameters is describing below:

• Rest parameters allows represents an indefinite number of arguments as an array.
• Rest parameters of the function prefixed with(…).
• The Rest parameters index starts with zero index.
• Rest parameters must be last parameter of function arguments.

Syntax

function function_Name(…restParams){

             // function body

}

function_Name()       // caling function

Example

Output

Rest Operators

10
15