How do i change Background color of textbox when onfocus?

Question

i tried this code but its not working.. when i on-focus textbox it shows error

   function ChangeBgColor(obj, evt) 
    { 
            if(evt.type==\"focus\"         


        

Answer 1

Yep, you should try this javascript code to change the background color for this element:

  var obj = document.getElementById("yourId");
  obj.onfocus = function() {
    obj.style.backgroundColor = 'red';
  }

Now you can change whatever color you want