The JavaScript modulo operator (%) returns the remainder of a division operation. It can be used to check if a number is even or odd or to determine if a number is divisible by another number.
dividend % divisorThe syntax for the JavaScript modulo operator is as follows:
Copy codedividend % divisor
Here, the dividend is the number being divided, and the divisor is the number dividing the dividend. The operator % returns the remainder of this division operation.
console.log(10 % 3); // Outputs 1In this example, the dividend is 10 and the divisor is 3. The modulo operator returns the remainder of 10 divided by 3, which is 1.
JavaScript modulo operator (%) Example
Simple example code using the modulo operator to check if a number is even or odd, or to determine if a number is divisible by another number.
<!DOCTYPE html>
<html>
<body>
<script>
// Check if a number is even
function isEven(number) {
return number % 2 === 0;
}
console.log(isEven(4));
console.log(isEven(5));
// Check if a number is divisible by another number
function isDivisible(number, divisor) {
return number % divisor === 0;
}
console.log(isDivisible(10, 2));
console.log(isDivisible(10, 3));
</script>
</body>
</html>
Output:
Comment if you have any doubts or suggestions on this JS Operator topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version