How can i do a comparison on responseHTML/responseText?

[mcelrob5]

I have an ajax call that looks like this:

             jQuery.ajax({
                 type: "GET",
                 url: '/configaudit-portlet/audit_App2App_list.jsp',
                 dataType: "text",
                 data: map,
                 global: true,
                 success: function(responseText){
                     if(responseText == ""){
                         createJvmTable();
                     }else{
                        document.getElementById("audit_form_window").style.width = '765px';
                        document.getElementById("audit_form_window").style.height = '375px';
                        document.getElementById("main_window").style.width = '745px';
                        document.getElementById("main_window").style.height = '360px';
                         document.getElementById("app2app1_app_name").innerHTML = getAuditApp();
                         document.getElementById("app2app2_app_name").innerHTML = getAuditApp();
                         document.getElementById("app_row").style.visibility = 'visible';
                         document.getElementById("audit_app2app_table_div").innerHTML = responseText;
.
.
.
};
 

The page that is called returns either a html/text for a table or an empty string. My problem is that when i am checking if the empty string is returned it it fails the if statement and always performs the else statement. Is there a better way to do this comparison?

[JKing]

Are you positive an empty string is being returned? Check to see if null or undefined are being returned.

[Dormilich]

Check to see if null or undefined are being returned.

that wouldn’t matter as there is no type-safe comparison made (i.e. false = "" = 0 = null = undefined)

nevertheless, doing a check what is returned is necessary.

[JKing]

Ah yes, forgot javascript only does type comparison using ===. Thanks for pointing that out.