1、获得选项option的值 var obj = document.getElementByIdx_x(”testSelect”); //定位idvar index = obj.selectedIndex; // 选中索引var text = obj.options[index].text ...
lt select onChange aa this name a gt lt option value a gt lt option gt lt option value b gt lt option gt lt option value c gt lt option gt lt select gt lt script gt function aa e for var i i lt e.opt ...
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1、获得选项option的值 var obj = document.getElementByIdx_x(”testSelect”); //定位idvar index = obj.selectedIndex; // 选中索引var text = obj.options[index].text ...
示例代码: <h3>视频标题: <select id="l_id"> {% for item in ress %} <option value="{{ item.id }}" >{{ item.leibie ...
1.动态创建select function createSelect(){ var mySelect = document.createElement_x("select"); mySelect.id = "mySelect ...
1.动态创建select function createSelect(){ var mySelect = document.createElement_x("select"); mySelect.id = "mySelect ...
1.动态创建select function createSelect(){ var mySelect = document.createElement_x("select"); mySelect.id = "mySelect ...
在页面定义一个select ,必须加id <select id="dy" name="dy"> </select> 也可以在js方法里添加 function createSelect(){var mySelect = document.createElement ...
jquery方法: 原生js方法: ...
<select name="myselect" id="myselect"> <option value="2042">1--测试二级页面专题</option> <option value="2031">2--2016年浙江省 ...