<input type="text" id="aa"> 
<input type="button" value="提交" onclick="check()"><div id="view"></div> 
<script> 
funtion check(){ 
//点击后显示的是text输入的内容并将这个内容显示到按钮的后面
document.getElementById("view").innerTEXT=document.getElementById("aa").value;
} 
</script>

------解决方案--------------------
<form name="myform" action="" method="post">
<input type="text" id="aa" name="aa">  
<input type="button" value="提交" onclick="check()"> <span id="test"></span>
</form>
<script>  
funtion check(){  
document.getElementById("#test").innerHTML=document.myform.aa.value;  
}  
</script>