check for emptiness

by John Kiran

JavaScript

let schedule= {};
alert( isEmpty(schedule) );
schedule["8:30"] = "get up";
alert( isEmpty(schedule) ); // false

function isEmpty() {
	let count=0;
  for(let key in schedule) {
    count++;
  }
  if(count==0) {
  	return true;
  } else {
  	return false;
  }
}