Question

I have 5 input text fields on 5 rows . where all 5 textfields are optional .i want to get the id of the text field which has got maximum value

<div class="dt_distance_slab">
     <g:textField class ="number distanceSlab1" name="distanceSlabCost1" id = "distanceSlabCost1"  value=""/> 
  </div>
<div class="dt_distance_slab">
     <g:textField class ="number distanceSlab2" name="distanceSlabCost2" id = "distanceSlabCost2"  value=""/> 
  </div>
  <div class="dt_distance_slab">
     <g:textField class ="number distanceSlab3" name="distanceSlabCost3" id = "distanceSlabCost3"  value=""/> 
  </div>
   <div class="dt_distance_slab">
     <g:textField class ="number distanceSlab4" name="distanceSlabCost4" id = "distanceSlabCost4"  value=""/> 
  </div>
    <div class="dt_distance_slab">
     <g:textField class ="number distanceSlab5" name="distanceSlabCost5" id = "distanceSlabCost5"  value=""/> 
  </div>

i have done a validation that input fields will aceept only numbers and values should be in ascending order.

Answer 1

Maybe a bit complicated but it works good:

var id = $(".number").filter(function() { return $(this).val(); }).last().attr("id");

It gets all the inputs, filters those that have value and returns an id of the last one.