select

select的使用方法

<form name = "form1" action = "" method = "post">
<input type = "text" value = "你过得好吗" name = "textfiled"/>
你喜欢的颜色是     <select name = "oa" onchange="Fcolor()">
<option value = "red">红</option>
<option value = "white">白</option>
<option value = "black">黑</option>
<option value = "blue" selected="selected">蓝</option>
<option value = "green">绿</option>
<option value = "yellow">黄</option>
</select>

</form>

js文件中添加如下内容

function Fcolor(){
    var e = window.event;
    var obj = e.srcElement;
    form1.textfiled.style.color = obj.options[obj.selectedIndex].value;
}