js_captcha

js_captcha

//*************************************************************//
//***************************JS CAPTCHA************************//
//*************************************************************//

//*************************************************************//
//*****************Please Read Carefully Before Using**********//
//*************************************************************//

//This my way when dealing with captcha
//I use help of Jquery so you should include jquery at first
//Depedency code to js_rand_it i make it before
//Visit this link if you havent seen 
//https://gist.github.com/frayhan32/6568683

//Text captcha needs 3 arguments 
/*length means the length of value to be returned*/
/*elem means Element to be appended for captcha visualization*/
/*elemhid means Hidden Element to be set its value for server side purpose*/


function textCaptcha(length,elem,elemhid){
var list="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var result="";
  //iterate each of list until length we specified and store to result
  for(var i=0;i<=length;i++){
  result+=list.charAt(getRandomInt(0,list.length-1));
  }
    elem.append(result);
    elemhid.attr('value',result);
}

//*******************TEST HIM*******************//
textCaptcha(6,$('#b'),$('#a'))
//**********************************************//