Form your custom-tailored feature in just a couple of clicks and without effort! jQuery Number Counter. You can specify the target number the counter should count up to. jQuery.counter (javascript + css3) View the Project on GitHub sophilabs/jquery-counter. This jQuery plugin provides the ability to associate a character counter with a text area and includes the ability to customise the style and wording of the counter, along with rules for validity. It also adds commas to properly format the number. In this jQuery tutorial, we are going to create an ultra-lightweight (less than 1KB) number counting function with custom increment speed. (Scroll down)