Heim >Web-Frontend >js-Tutorial >js erhält die Option, die durch das Kontrollkästchen „Instance_Javascript Skills' ausgewählt wurde
Es gibt unzählige Beispiele für die Verwendung von Javascript zum Abrufen von Kontrollkästchen.
js-Implementierung:
var form = document.getElementById("form2"); var field = form.elements["test2"]; var option = Dining.getSelectedOption(form, field); var message = ""; for (var i = 0, len = option.length; i < len; i++) { message += "Select id:" + option[i].id + "\nSelected name:" + option[i].name + "\nSelected value:" + option[i].value + "\n\n"; } alert(message); /*获取选中的选项*/ getSelectedOption: function (selectform, selectionfield) { var result = []; var option = null; for (var i = 0; i < selectionfield.length; i++) { option = selectionfield[i]; if (option.checked) { result.push(option); } www.jb51.net } return result; } <form id='form2'> <label>排序:</label><input id='aaaaa' type='checkbox' name='test2' value='1'> <label for='aaaaa'>月销量</label><input id='bbbbb' type='checkbox' name='test2' value='2'> <label for='bbbbb'>评分</label><input id='ccccc' type='checkbox' name='test2' value='3'> <label for='ccccc'>优惠</label> <br style='clear:both'><label>分类:</label><input id='ddddd' type='checkbox' name='test2' value='4'> <label for='ddddd'>商务套餐</label><input id='eeeee' type='checkbox' name='test2' value='5'> <label for='eeeee'>凉菜</label><input id='fffff' type='checkbox' name='test2' value='6'> </form>",