JavaScript Math floor() method is used to round down a number to the next smallest integer. This function returns round a number DOWN to the nearest integer.
Math.floor(x)If the given number is already an integer, the floor() method returns it directly.
Note: Math.floor() returns 0 for null rather than NaN.
JavaScript Math floor() Method
A simple example code decreases the given number up to the closest integer value.
<!DOCTYPE html>
<html>
<body>
<script>
console.log(Math.floor(5.95));
console.log(Math.floor(5.05));
console.log(Math.floor(5));
console.log(Math.floor(-5.05));
</script>
</body>
</html>Output:
Do comment if you have any doubts or suggestions on this JS Math function topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version