juqery new Option code example
Example: javascript option
/* assuming we have the following HTML
<select id="s">
<option>First</option>
<option>Second</option>
<option>Third</option>
</select>
*/
var s = document.getElementById('s');
var options = [ 'zero', 'one', 'two' ];
options.forEach(function(element, key) {
if (element == 'zero') {
s[s.options.length] = new Option(element, s.options.length, false, false);
}
if (element == 'one') {
s[s.options.length] = new Option(element, s.options.length, true, false); // Will add the "selected" attribute
}
if (element == 'two') {
s[s.options.length] = new Option(element, s.options.length, false, true); // Just will be selected in "view"
}
});
/* Result
<select id="s">
<option value="0">zero</option>
<option value="1" selected="">one</option>
<option value="2">two</option> // User will see this as 'selected'
</select>
*/