JavaScript validate float number | HTML code example

You can validate the float number in JavaScript using regular expression (Regex). And another way is doing division by 1 with condition statements.

How do I check that a number is a float or integer?

check for a remainder when dividing by 1:

See below complete example code to test number need two functions.

Output:

check that a number is float or integer

Or You can use a simple regular expression:

How to Check the Validation for floating-point numbers in HTML?

Answer: Here is complete HTML code example to Validation for floating point numbers in JavaScript:-

Output:

Validation for floating point numbers in HTML

Do comment if you have any questions and doubts on this tutorial.

Note: The All JS Examples codes are tested on the Safari browser (Version 12.0.2) and Chrome.
OS: macOS 10.14 Mojave
Code: HTML 5 Version


Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.