您的购物车目前是空的!
Table of Contents
<selected id="sel"> <option value="1" selected="selected">a</option> <option value="2">b</option> <option value="3">c</option> <option value="4">d</option> </selected>
获取选中项的Value值:
$('select#sel option:selected').val();
或者
$('select#sel').find('option:selected').val();
获取选中项的Text值:
$('select#seloption:selected').text();
或者
$('select#sel').find('option:selected').text();
$('select#sel').get(0).selectedIndex;
$('select#sel option:last').attr("index")
$('select#sel')[0].options.length;
或者
$('select#sel').get(0).options.length;
$('select#sel option:first').attr('selected','true')
或者
$('select#sel')[0].selectedIndex = 0;