Question

If I have accessed a Select element on a website, how would I go about changing it’s selected item?

I tried:

selectElement.SetAttribute("value", "30");

But this doesn’t work.

Thanks!

Answer 1

With this html

​<select id="a">
  <option value="1">1</option>
  <option value="2">2</option>
</select>
​

Doing this will select the second option

document.getElementById("a").selectedIndex = 1

see this jsfiddle example: http://jsfiddle.net/vJsvV/