Javascript Arguments Object

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JavaScript functions have a built-in object called the arguments object.

The argument object contains an array of the arguments used when the function was called (invoked).

This way you can simply use a function to find (for instance) the highest value in a list of numbers:

function func1(a, b, c) {
  console.log(arguments[0]);
  // expected output: 1

  console.log(arguments[1]);
  // expected output: 2

  console.log(arguments[2]);
  // expected output: 3
}

func1(1, 2, 3);

You can access them as follows:

arguments[0] // first argument
arguments[1] // second argument
arguments[2] // third argument

Each argument can also be set or reassigned:

arguments[1] = 'new value';

Learn More: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments

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