$(document).ready(function(){

function limits(obj, limit){

alert('toto');

    var text = $(obj).val(); 

    var length = text.length;

    if(length > limit){

      alert("You cannot enter more than 100 characters into the textarea.");

      $(obj).val(text.substr(0,limit));

     } else { 

      console.log(limit -length+ " characters remaining!");

     }

 }

​

​

$('input').on('keyup', function(){

​

    limits($(this), 10);

});

​

  });