javaScript实现背景音乐与播放声音
研究了半天,不过貌似还是只能在IE上实现,其他浏览器不支持EMBED 标签
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>用javascript制作超链接的背景音效</title>
<script language="JavaScript" type="text/JavaScript">
<!--
function controlSound(action)
{
var i; method = "";
var sndObj = document.getElementById("music");
if (sndObj != null)
{
if (navigator.appName == 'Netscape')
method = "play";
else
{
if (window.MM_WMP == null)
{
window.MM_WMP = false;
for(i in sndObj)
{
if (i == "ActiveMovie")
{
window.MM_WMP = true;
//alert("1");
break;
}
}
}
if (window.MM_WMP)
method = "play";
else if (sndObj.FileName)
method = "run";
}
}
if (method)
{
if(action=="stop")
method="stop";
alert(method);
eval("document.hidden_player"+"."+method+"()");
}
}
//-->
</script>
</head>
<body>
<a href="#" onMouseOver="controlSound('play','document.ailisi','2.mp3')"
onmouseout="controlSound('stop','document.ailisi','2.mp3')"
>背景音乐 鼠标移入播放 移出停
</a> <br>
<button onclick="controlSound('play')">播</button>
<button onclick="controlSound('stop')">停</button>
<!--src是音频的地址, hidden属性为隐藏-->
<EMBED NAME='hidden_player' SRC='1.wma
相关文档:
DOM
节点类型的12个常量:
Node.ELEMENT_NODE
Node.ATTRIBUTE_NODE
Node.TEXT_NODE
Node.CDATA_SECTION_NODE
Node.ENTITY_REFERENCE_NODE
Node.ENTITY_NODE
Node.PROCESSING_INSTRUCTION_NODE
Node.COMMENT_NODE
Node.DOCUMENT_NODE
Node.DOCUMENT_TYPE_NODE
Node.DOCUMENT_FRAGMENT_NODE
Node.NOTATION_NODE
......
var sDate = new Date(Date.UTC(arys[0], arys[1] - 1, arys[2]));
var eDate = new Date(Date.UTC(arys1[0], arys1[1] - 1, arys1[2]));
......
window.onbeforeunload = function (evt) {
var message = 'Are you sure you want to leave?';
if (typeof evt == 'undefined') {
evt = window.event;
}
if (evt) {
evt.returnValue = message;
}
return message;
}
onbeforeunload 事件参考地址
http://msdn.microsoft.com/en-us/ ......
JavaScript中的对象
关键词: JavaScript 对象 ......
以下分别是用递归和两种循环对斐波那契数列的简单实现。(结果仅供参考)
递归的模式:
function Fibonacci(num){
if(num <= 2){
return 1;
}else{
return Fibonacci(num - 1) + Fibonacci(num - 2)
}
}
var counter1 = new Counter();
Fibonacci(30);
counter1.show()
//Firefo ......