if a condition is not being properly assessed

Currently, I am working on a $.ajax call to retrieve data in JSON format. Within this JSON data, there is an element called "status." My code snippet checks if the value of `data.status` is equal to "success" and performs some actions accordingly. Despite knowing that the JSON data returned from the PHP script contains `{ status: success }` (verified through Chrome's developer tools), the block within the `if` statement is not executing. Interestingly, when I introduce an `else` statement after the `if`, that part of the code executes successfully. Here's the section of my code causing trouble:

$.ajax({
    type: "POST",
    url: "./php/checkuser.php",
    datatype: "json",
    success: function(data){
      console.log(1);
      if(data.status === "success"){
        console.log(2);
        $.get("./mainmenu.html", function(html){
          $("#content").html(html);
          console.log(3);
        });
        $.ajax({
          type:"POST",
          url:"./php/loaduserdata.php",
          dataType:"json",
          success:function(data){
            console.log(4);
            if(data.status === "success"){
              console.log(5);
              var lastlevel = data.lastlevel;
              if(lastlevel === 0){
                console.log(6);
                $("#continue-wrapper").removeClass("enabled").addClass("disabled");
                $('<img />').attr('src', "./images/menuitem_continue-disabled.png").attr('id', "continue").attr('alt', "Continue").load(function(){
                  $("#continue-wrapper").html($(this));
                });
              } else {
                console.log(7);
                $("#continue-wrapper").removeClass("disabled").addClass("enabled");
                $('<img />').attr('src', "./images/menuitem_continue-enabled.png").attr('id', "continue").attr('alt', "Continue").load(function(){
                  $("#continue-wrapper").html($(this));
                });
              }
            }
          }
        });
      } else {
        console.log(8);
      }
    }, 
    error: function(thrownError){
      console.log(thrownError);
    }
  });

When monitoring the output in the console, it displays "1" followed by "8". I seem to hit a roadblock here - can anyone spot what might be going wrong?

Answer №1

Make sure to correct the datatype attribute in your first AJAX request to dataType. Otherwise, the value of data will be treated as a string and accessing data.status will result in an undefined output.

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