<script type="text/javascript" charset="utf-8">   function shuffle(array) {   var currentIndex = array.length, temporaryValue, randomIndex;     // While there remain elements to shuffle...   while (0 !== currentIndex) {       // Pick a remaining element...     randomIndex = Math.floor(Math.random() * currentIndex);     currentIndex -= 1;       // And swap it with the current element.     temporaryValue = array[currentIndex];     array[currentIndex] = array[randomIndex];     array[randomIndex] = temporaryValue;   }     return array; }         $(document).on('ready pjax:scriptcomplete',function(){ // Fill the array       var arr1 = [1,2,3,4];       var arr2 = [5,6,7,8];       arr1 = shuffle(arr1);       arr2 = shuffle(arr2);       an1 = arr1.slice(0,2).join(',');       an2 = arr2.slice(0,2).join(',');       $('#question{QID} input[type="text"]').val("#"+an1+an2);       $('#question{QID}').hide();       $('#ls-button-submit').trigger('click');          }); </script>