function Hello(name)

{

  return 'Hello ' + name + '!';

}

var y=Hello('Sohail');

console.log(y);

​

function noReturn()

{

  //NO return

}

var h= noReturn();

console.log(h);

​

function averageOfTwo(num1,num2)

​

{

  return (num1+num2)/2;

}

​

console.log(averageOfTwo(5,7));

​

myFunction();

​

function myFunction() {

  console.log("Hello World");

 }

​

​

var foo='Hello String';

​

function myName()

{

  return 'Sohail';

}

​

var myString='Hello My name is ${foo}.\n String:${myFunction()}';

console.log(myString);

​

​