动态添加option及createElement使用示例_javascript技巧

--请选择一门课程--

var last_select_num = 3;//加入从数据库中查询

//动态添加第一门课程
var myOption = document.createElement("option");
myOption.value = "java";
myOption.text = "java";
myCourse.add(myOption);

//动态添加第二门课程、
myOption = document.createElement("option");
myOption.value = "oracle";
myOption.text = "oracle";
myCourse.add(myOption);

//动态添加第三门课程、
myOption = document.createElement("option");
myOption.value = "javaEE";
myOption.text = "javaEE";
myCourse.add(myOption);

function getCourse(){
myares.value += "你选择了："+myCourse.value +"\r\n";
}
-->