text: function callBackFunction(){
      console.log("Hello World!");
  }
  function executeCallBackFunction(callBack){
      callBack();
  }
  executeCallBackFunction(callBackFunction)
  
  
  // Set Timeout function
  
  setTimeout(print(5), 2000)
  function print(times){
      for( i=1; i<=times; i++){
          console.log("Hello World!");
      }
  }
  
  
  // Set Timeout with Anonymous function
  
  setTimeout(() => {
          console.log("I'm an anonymous function!")
      }
  )