JS cookie handling

<script type='text/javascript'>
function setCookie(name,value,days) {
    var expires = "";
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days*24*60*60*1000));
        expires = "; expires=" + date.toUTCString();
    }
    document.cookie = name + "=" + (value || "")  + expires + "; path=/";
}
function getCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return false;
}
function eraseCookie(name) { 
    document.cookie = name+'=; Max-Age=-99999999;'; 
}
setCookie('TEST','Goal',7);
alert(getCookie('TEST'));
eraseCookie('TEST');
alert(getCookie('TEST'));
</script>

Input field JQuery float validation, decimal validation

$('#price').keyup(function(e){
      var entered_value = $(this).val();
  var regexPattern = /^\d{0,8}(\.\d{1,2})?$/;         
      //Allow only Number as well 0nly 2 digit after dot(.)
      if(regexPattern.test(entered_value)) {
        alert("false") ;  
      } else {
         alert("true");
      }
});

Datatable jQuery Plugin set order example

$(document).ready(function() {
    $('#example').dataTable( {
        "order": [[ 3, "desc" ]]
    } );
} );
Plugin files:
//code.jquery.com/jquery-1.11.1.min.js
//cdn.datatables.net/1.10.2/js/jquery.dataTables.min.js