/*

Array like object look like array

has index to access elements

has length property

but they do not have array methods

*/

​

​

function MyFunction(){

  console.log(arguments.length);

  console.log(arguments);

}

​

MyFunction("one","two","three");

​

/*

but we can call array methods explicitly

*/

​

function MyFunction2(){

  Array.prototype.push.call(arguments, "four");

  console.log(arguments.length);

  console.log(arguments[3]);

}

​

MyFunction2("one","two","three");