DOCTYPEhtml><html><head><title>获取下拉框选定的值</title><script>function getSelectedValue() { var select = document.getElementById("mySelect"); var selectedValue = select.options[select.selectedIndex].value; alert("选定的值为:" + selectedValue); }</script></head><body><selectid="my...
1:拿到select对象: var myselect=document.getElementById("test"); 2:拿到选中项的索引:var index=myselect.selectedIndex ; // selectedIndex代表的是你所选中项的index 3:拿到选中项options的value: myselect.options[index].value; 4:拿到选中项options的text: myselect.options[index].text; 1. 2. 3. 4...
dropdownlist not displaying the selected value Dropdownlist - Add "Please Select" as first option Dropdownlist - Set datatextfield equal to multiple columns DropdownList and Setting Selected Value DropDownList binding get Databinding methods such as Eval(), XPath(), and Bind() can only be used in ...
获取<select>标签选中项文本的js代码为: var val = document.all.Item.options[document.all.Item.selectedIndex].text var i=document.getElementById( ‘sel‘ ).options[document.getElementById( ‘sel‘).selectedIndex].value; 一些其它操作<select>标签的技巧如下: 1)动态创建select function createSelect(){...
获取HtmlSelect 控件中选定项的值或将该控件的 SelectedIndex 属性设置为具有指定值的列表中的第一个项的索引。
一：javascript原生的方法 1:拿到select对象： var myselect=document.getElementById("test");2：拿到选中项的索引：var index=myselect.selectedIndex ; // selectedIndex代表的是你所选中项的index 3:拿到选中项options的value： myselect.options[index].value;4:拿到选中项options的text： ...
Select- options: Array<option></option>+ multiple: boolean+addOption(option: Option) : void+removeOption(option: Option) : void+getSelectedOptions() : Array<option></option>Option- value: string- selected: boolean+getValue() : string+setSelected(selected: boolean) : void ...
</select> <br/> <inputid="btnAppend" type="button" value="Append" onclick="return btnAppend_onclick()" /> <inputid="btnRemove" type="button" value="Remove" language="javascript" onclick="return btnRemove_onclick()" /> <inputid="btnGetText" type="button" value="Get Selected Text...
</select> </div> </div> js代码 $(document).ready(function(){$('#productSelect').change(function(data){varvalue=data.currentTarget.selectedOptions[0].value;vartext=data.currentTarget.selectedOptions[0].dataset['name'];$('#productId').val(value);$('#productName').val(text);});});...
<select id="a" name="a" size="9" multiple="multiple" rows="10" style="width:150px;height:200px;"> <option >A</option> <option >B</option> <option >C</option> <option>D</option></select>//提交后得值function getValue(a){ var a = this.a || do...