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JavaScript Rest Parameters

Introduction

Introduced in ES6

Syntax

function logAllArguments(...args) {
  for (const arg of args) {
    console.log(arg)
  }
}

logAllArguments(1, 2, 3)

function logAllArguments(pattern, ...args) {
  console.log(pattern)
  for (const arg of args) {
    console.log(arg)
  }
}

logAllArguments("asdf", 1, 2, 3)