function hide(){
var box1=document.getElementById("con");
box1.style.display="none";
}
function show(){
var box1=document.getElementById("con");
box1.style.display="block";
}
代码没问题。是不是没有在按钮里加事件 啊?onclick="hide()"
文字的id是txt
<script type="text/javascript">
function hidetext()
{
var mychar = document.getElementById("con");
mychar.style.display="none";
}
function showtext()
{
var mychar = document.getElementById("con");
mychar.style.display="block";
}
</script>