// Functions to execute

function greetPeople() {

  console.log("Hello People!");

}

​

function sayFirstname() {

  console.log("My First name is Roy");

}

​

function sayLastname() {

  console.log("My First name is Daniel");

}

​

// array of functions

const funcsArr = [greetPeople, sayFirstname, sayLastname];

​

// Loop through each array elements (functions references)

// and invoke the functions

for (let i = 0; i < funcsArr.length; i++) {

  // get the current function getting looped

  const func = funcsArr[i];

​

  // call the function

  func();

}