jquery:
$('#dropdownMenu1').val(str);
不jquery:
document.getElementById('dropdownMenu1').value = str;
转载于:https://www.cnblogs.com/zhujiabin/p/4861329.html
jquery:
$('#dropdownMenu1').val(str);
不jquery:
document.getElementById('dropdownMenu1').value = str;
转载于:https://www.cnblogs.com/zhujiabin/p/4861329.html