網路連線集線器、交換器、路由器、存取點關係圖
(圖片來源：
http://windows.microsoft.com/zh-tw/windows/hubs-switches-routers-access-points-differ#1TC=windows-7)
JavaScript (index.html)：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Example</title>
<script type="text/javascript">
window.onload=function() {
var a = function(b) {
return b + 10;
};
console.log( a(5) );
var b = function() {
return 3;
};
console.log( a( b() ) );
var json = {
"name" : "QQBoxy",
"number" : 10,
"action" : function() {
console.log("Hello");
}
};
json.action();
document.getElementById("poo").onclick = function() {
document.getElementById("foo").innerHTML = "Hello<br />World";
};
document.getElementById("boo").onclick = function() {
location.href = "http://www.google.com/";
};
};
</script>
</head>
<body>
Text: <button id="poo">Click me</button><br />
Link: <button id="boo">Click me</button><br />
<div id="foo"></div>
</body>
</html>
加快網頁下載速度，使用壓縮器：
http://closure-compiler.appspot.com/home
保護原始碼的方法，使用混淆器：
http://utf-8.jp/public/aaencode.html
