ClientSideCaptcha

Pure Client side js captcha(Unsecure!), Demo: http://anupamkhosla.github.io/ClientSideCaptcha

Build on top of gist https://gist.github.com/SneakyBrian/5209271 written by Sneaky Brian

API Example:

var captcha = new $.Captcha({ //initialize captcha       selector: "#captcha",       text: null,       randomText: true,       randomColours: true,       width: 244,       height: 163,       colour1: null,       colour2: null,       font: 'normal 40px "Comic Sans MS", cursive, sans-serif',       onFailure: function() {          alert("Failure!");       },       onSuccess: function() {           alert("CORRECT!!!");       }   });   captcha.generate(); //Generate or refresh captcha captcha.validate(); //validate filled captcha 

npm support to be added soon.