3-14.htm

JavaScript网页特效实例大全

<form name="addresses">
请选择发信人<select name="list" onChange="update()">
<option value="mailto:[e-mail]">[e-mail]
<option value="mailto:[e-mail]">[e-mail]
<option value="mailto:[e-mail]">管理员</select> 
<a href="updatelink">发送</a>
</form>
<script language="javascript">

pos = 9999;
for(num=0;num<document.links.length;num++) {
if (document.links[num].href.indexOf("updatelink") != -1) {
pos = num;
num = 5000;
   }
}
function update() {
if (pos!=9999) {
sel = document.addresses.list.selectedIndex;
document.links[pos].href = document.addresses.list[sel].value;
   }
}
update();

</script>