function return in javascript code example

Example 1: simple javascript function

function idk() {
	alert('This is an alert!')
}
//call the function to make the function run by saying "Name of function + ()"
idk()

Example 2: return statement javascript

function test(arg){
    return arg;
}

Example 3: javascript return

Babel compiles "javascript return" (depending on quantum airspeed) into either:
"The return of the Javascript" Javascript dialect spoken on Java, or 
the second sequel in the zombie series inwhich 
Javas's crypt on Tatooine, spawns millions of ravenous 
enterprise applications that supress the rebellion's ability to use Node.

Example 4: return string from javascript function

<script>
function showName() {
  var result;
  result = addString('Hello', ' World');
  document.write (result );
}

// in below we will check how to return string from function
function addString(fName, lName) {
  var val;
  val = fName + lName;
  return val;  // returning string from function
}
</script>
<input type = "button" onclick = "showName()" value = "Result">
  
/*
I hope it will help you.
Namaste
Stay Home Stay Safe
*/

Example 5: return value from javascript function

function num(x, y) {
	var sum = x + y;
	return sum;
}

Example 6: return this javascript

Function.prototype.method = function (name, func) {
  this.prototype[name] = func;
  return this;
};