<html>
<head>
<title>Hello.the World</title>
<style type="text/css"><!--
.declared { color:red; font-size:14px; }
.programmed { color:blue; font-size:12px; font-weight:bold;}
--></style>
<script>
window.onload=function() {
var hello=document.getElementById('hello'); //通过ID找到元素
hello.className='declared';
var empty=document.getElementById('empty');
addNode(empty,"reader of");
addNode(empty,"Ajax in Action!");
var children=empty.childNodes;
for (var i=0;i<children.length;i++) {
children[i].className='programmed';
}
empty.style.border='solid green 2px'; //直接为节点设置样式
empty.style.width="200px";
}
function addNode(el,text){
var childEl=document.createElement("div"); //创建新元素
el.appendChild(childEl);
var txtNode=document.createTextNode(text); //创建文本元素
childEl.appendChild(txtNode);
}
</script>
</head>
<body>
<p id="hello">Hello</p>
<div id="empty"></div>
</body>
</html>
