0
A
回答
3
var selectedValue = $('select#id_of_your_select').val();
0
让我们假设这个HTML代码:
<form id ='formId'>
<select id='selectBox' name='selectBox'>
<option value='1'>option 1</option>
<option value='2'>option 2</option>
</select>
<input type='button' value='go' id='goButton' />
jQuery代码将是这样的:
$(document).ready(function(){
$("#formId").submit(function(){
return false; // disable the regular submit
});
$("#goButton").click(function(){
var desiredValue = $("#selectBox").val();
alert(desiredValue);
});
});
另一种方式是检测的变化,因为它发生:
$(document).ready(function(){
$("#selectBox").change(function(){
var desiredValue = $(this).val();
alert(desiredValue);
});
});
相关问题
- 1. 使用jQuery解析RadDropDownList中的'selectedValue'
- 2. DropDownlList的SelectedValue
- 3. Combobox selectedvalue
- 4. Html.DropDownlistFor selectedValue
- 5. Html.DropDownList SelectedValue
- 6. dropdownlist selectedvalue
- 7. SelectedItem和SelectedValue返回错误的项目
- 8. 的SelectList ingoring的SelectedValue
- 9. ASP:NET - GridView的 - DropDownList selectedvalue
- 10. 组合框的SelectedValue
- 11. WPF中的ListView SelectedValue
- 12. DropDownList的SelectedValue与SelectedItem.Value
- 13. C#的SelectedValue在ListBox
- 14. 设置GridDropDownColumn的SelectedValue
- 15. Jlist selectedValue为null
- 16. ExtJs Combo selectedValue
- 17. DataComboBox SelectedValue属性
- 18. Dropdownlist重置SelectedValue
- 19. DropDownList selectedvalue and tables
- 20. ComboBox SelectedItem vs SelectedValue
- 21. MVC3 DropDownlistFor SelectedValue
- 22. combobox databinding selectedvalue event
- 23. 实时DropdownList SelectedValue
- 24. DropDownList1.SelectedValue为空?
- 25. Silverlight AutoCompleteBox SelectedValue(?)
- 26. Get DataGridViewComboboxColumn SelectedValue(VB.Net)
- 27. DropdownList获取SelectedValue
- 28. ComboBox selectedValue/Item
- 29. JQuery的数据绑定在改变的SelectedValue ASP.NET的DropDownList
- 30. 的DropDownList的SelectedValue不工作