笑える...
onreadystatechange = function(){ switch(httpReq.readyState){ case 0: if(httpReq.readyState == 0){ break; } case 1: if(httpReq.readyState == 1){ break; } case 2: if(httpReq.readyState == 2){ break; } case 3: if(httpReq.readyState == 3){ break; } case 4: if(httpReq.readyState == 4){ if(httpReq.status == 200){ var val = httpReq.responseText; alert(httpReq.responseText) dataInsert(val); break; } else{ alert("Error "+httpReq.status); break; } } } };
ソース: DailyWTF Sturdy Switch