7 The select list box should not display items (options and optgroups) with style "display: none".
12 <option>Three</option>
13 <option style="display: none">Four</option>
15 <option id='56' style="display: none">Six</option>
16 <option>Seven</option>
21 <option>Three</option>
22 <optgroup label="***45***">
23 <option style="display: none">Four</option>
26 <option style="display: none">Six</option>
27 <option>Seven</option>
32 <option id="13">Three</option>
33 <optgroup label="***45***">
35 <option id="15">Five</option>
38 <option>Seven</option>
43 <option>Three</option>
44 <optgroup id="24" label="**456**" style="display: none">
49 <option>Seven</option>
54 <option>Three</option>
55 <optgroup id="34" label="**456**">
60 <option>Seven</option>
65 <option>Three</option>
66 <optgroup id="44" label="**456**" style="display: none">
71 <option>Seven</option>
75 var elem = document.getElementById('13');
76 elem.style.display = 'none';
77 elem = document.getElementById('15');
78 elem.style.display = 'none';
79 elem = document.getElementById('34');
80 elem.style.display = 'none';
81 elem = document.getElementById('44');
82 elem.style.display = 'block';
83 elem = document.getElementById('56');
84 elem.style.display = 'block';