<select><option>a<option>b</select> <form name="e"> <select name="r"> <option>a <option>b </select><br> <button onclick="alert(r.selectedIndex)"> selectedIndex</button></form> <form name="f"> <select name="s"> <option value="ground">a <option value="hog">b </select><br> <button onclick="alert(f.s.value)"> Value</button></form> <form name="g"> <select name="s" size="2"> <option>a<option>b <option selected>c <option>d<option>e </select> </form> <select name="s" size="8"> <optgroup label="first part"> <option>a<option>b<option>c </optgroup> <optgroup label="second part"> <option>d<option>e<option>f </optgroup> </select> </form> <form name="h"> <select name="s" size="3" onchange=" i=s.selectedIndex j=s.options[i].innerHTML opt=new Option(j,i); l=t.options.length t.size=l+1 s.remove(i) s.size=s.size-1 t.options[l]=opt"> <option value="0">a</option> <option value="1">b</option> <option value="2">c</option> </select> <select name="t" size="3" onchange=" i=t.selectedIndex alert(t.options[i].innerHTML) "> <option value="3">d</option> <option value="4">e</option> </select> </form>