1#HTML file
<select id="selShow">
<option value="zosatapo">name1</option>
</select>2#javascript functionfunction addOption(text,value){
opt=new Option();
opt.text=text;
opt.value=value;
selShow.options.add(opt);
}3#How to Use addOption("name2","reic yang");
<select id="selShow">
<option value="zosatapo">name1</option>
</select>2#javascript functionfunction addOption(text,value){
opt=new Option();
opt.text=text;
opt.value=value;
selShow.options.add(opt);
}3#How to Use addOption("name2","reic yang");
var opt=new Option();
opt.value=yourvalue;
opt.text=yourtext;
selShow.options.add(opt);
//添加一项<option value=yourvalue>yourtext</option>
}