<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题pj文档</title>
<script>
window.onload = function() {
var oText=document.getElementById('text1');
var oUl=document.getElementById('ul1');
oText.onkeyup=function(ev)
{
ev=ev||event;
if(oText.value!='')
{
if (ev.keyCode == 13) {
var oLi = document.createElement('li');
oLi.innerHTML = oText.value;
if ( oUl.children[0] ) {
oUl.insertBefore( oLi, oUl.children[0] );
} else {
oUl.appendChild( oLi );
}
}
}
}
};
</script>
</head>
<body>
<input type="text" id="text1"/>
<ul id="ul1" ></ul>
</body>
</html>