JS简单操作select和dropdownlist实例_javascript技巧

==请选择==是否

//js操作服务器控件dropdownlist

选项0
选项1


选项0
选项1

document.getElementById("ddlFolder").value="0";//0为你要选中的项的value

var DropDownListCurrencyNew = document.getElementById("ddlFolder");
for(i = 0; i {
if(DropDownListCurrencyNew.options[i].text == "选项0")
{
DropDownListCurrencyNew.options[i].selected = true;
}
}

var selValue = document.getElementById("DropDownList1").options[document.getElementById("DropDownList1").selectedIndex].value;

var selText = document.getElementById("DropDownList1").options[document.getElementById("DropDownList1").selectedIndex].text;