javascript - JQuery redirect doesn't work really good -

i have following problem. have jquery script loads ajax every second page. when response "go" should redirect other page. works only, when directly gets "go" response. if response first other , "go", doesn't work. why?

here code:

      setinterval(function() {       $("#reset").load('game/gamehandler.php');       var data = $('#reset').html();       if(data[0]+data[1] == 'go'){         $('#answer').modal('hide');         alert('du kannst spielen!');         var url = "http://www.guido-muehlwitz.de";         $(location).attr('href',url);       }    }, 1000);    $.ajaxsetup({ cache: false }); 

in place of

 if(data[0]+data[1] == 'go'){ 

try these:

if (data.indexof("go") >= 0){  note case-sensitive. if want case-insensitive search, can write  if (data.tolowercase().indexof("go") >= 0){ or,  if (/go/i.test(data)){