Javascript/Closures(add, mult, subtract).html at master · niksbhardy/Javascript · GitHub

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<!doctype html>
<html lang="en">
<head>
<title>Closures</title>
<meta charset="utf-8">
<script>

//OPEN CONSOLE TO SEE RESULTS

function makeAddition(n) {
	return function(x) {
		return x+n;
	}
}
//supply 4 as argument for the value of 'n'
var add = makeAddition(4);
//supply 2 as argument for the value of 'x'
console.log("result after addition: " +  add(2));
console.log("--------------");


function makeMultiplication(n) {
	return function(x) {
		return x*n;
	}
}
//supply 4 as argument for the value of 'n'
var multiply = makeMultiplication(4);
//supply 2 as argument for the value of 'x'
console.log("result after multiplication: " +  multiply(2));
console.log("--------------");


function makeSubtraction(n) {
	return function(x) {
		return x-n;
	}
}
//supply 4 as argument for the value of 'n'
var subtract = makeSubtraction(4);
//supply 2 as argument for the value of 'x'
console.log("result after subtraction: " +  subtract(2));

</script>
</head>
<body> </body>
</html>