Minimal Math Captcha Plugin For jQuery - Captcha Basic

An ultra-light (less than 1kb) jQuery Math Captcha plugin that is easy to integrate into your webpage for preventing spam on forms.

How to use it:

1. Load the latest version of jQuery library and the jQuery Captcha Basic plugin's JavaScript in the document.

<script src="//code.jquery.com/jquery-3.2.1.slim.min.js"></script>
<script src="jquery.captcha.basic.min.js"></script>

2. Call the function captcha() on your existing HTML5 forms and the plugin will take care of the rest.

$('#yourForm').captcha();

3. Apply your own CSS styles to the captcha element as this:

#captchaInput {
  width: 2.5em;
  margin-left: .5em;
}

Change log:

2017-05-25

• Aria label added to captcha input for AXE accessibility rules

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This awesome jQuery plugin is developed by pemre. For more Advanced Usages, please check the demo page or visit the official website.