JavaScript Tutorial: Learn Functions and Arrow Functions with Examples

 

JS Function programs collection

JS program to show the concept of arrow function

1. Normal function to return an object
<script>

 function getUser () 

{

return{

//taking the braces in newline terminates the return so the

//followed statement does not work

  name: "Radhe krishna", 

  age: 25 

};

 }

document.write(JSON.stringify(getUser()));

//it converts the object into string with the help of stringify()

</script>

JS program using arrow function to return an object

<script>

 getUser=()=> 

{

return{

//taking the braces in newline terminates the return so the

//followed statement does not work

  name: "Radhe krishna", 

  age: 25 

};

 }

document.write(JSON.stringify(getUser()));

//it converts the object into string with the help of stringify()

</script>

Or

<script>

 getUser=()=> 

(

//() tells JavaScript: “This is  returning an expression.

  {

//taking the braces in newline terminates the return so the

//followed statement does not work

  name: "Radhe krishna", 

  age: 25 

}

 );

document.write(JSON.stringify(getUser()));

//it converts the object into string with the help of stringify()

</script>