title: Jquery if value is minus the main value
body: <p>Please how do i get this workin in Jquery? i want to achieve this using jquery need your help.. example if  35000 - 349990 = - 314990</p>
  
  <p>if it show -314990 i want to display error to the user...</p>
  
  <p>I came up with this didn't help...</p>
  
  <pre><code>$("#apaid1").keyup(function () { // apaid input id for user to enter amount
      var textinput = $('#apaid1').val(); // get value from input id apaid1
      var textinput1 = $('#epayment1').val(); // get value from input id epayment1
  
      $("#bl1").val("" + textinput1 - textinput);
      // input id bl1 used as output
  
      if ($("#bl1").val() &lt; textinput1) {
  
          $("#bl1").val("" + textinput1 - textinput);
      };
  });
  </code></pre>
  
  <p>This is what it gave me me -314990 i want to display error base on negative values </p>
  
  <p>sorry for poor english.
  Thank you very much....</p>