How to get a slice from “arguments”

Question

All you know that arguments is a special object that holds all the arguments passed to the function.

And as long as it is not an array - you cannot use

Answer 1

You can use ...rest within the function to separate the first and the rest of the arguments:

function foo(arr) {
  const [first, ...rest] = arguments;
  console.log(`first = ${first}`);
  console.log(`rest = ${rest}`);
}
//Then calling the function with 3 arguments:
foo(1,2,3)