How to add an onchange event to a select box via javascript?

Question

I\'ve got a script where I am dynamically creating select boxes. When those boxes are created, we want to set the onchange event for the new box to point to a

Answer 1

Add

transport_select.setAttribute("onchange", function(){toggleSelect(transport_select_id);});

setAttribute

or try replacing onChange with onchange

Answer 2

If you are using prototype.js then you can do this:

transport_select.observe('change', function(){
  toggleSelect(transport_select_id)
})

This eliminate (as hope) the problem in cross-browsers

Answer 3

yourSelect.setAttribute( "onchange", "yourFunction()" );

Answer 4

Here's another way of attaching the event based on W3C DOM Level 2 Events Specification:

  transport_select.addEventListener(
     'change',
     function() { toggleSelect(this.id); },
     false
  );

Answer 5

replace:

transport_select.onChange = function(){toggleSelect(transport_select_id);};

with:

transport_select.onchange = function(){toggleSelect(transport_select_id);};

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on'C'hange >> on'c'hange

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You can use addEventListener too.