发布于 2016-10-10 23:58:05 | 47 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Javascript教程，程序狗速度看过来！
JavaScript客户端脚本语言
Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言，主要目的是为了解决服务器端语言，比如Perl，遗留的速度问题，为客户提供更流畅的浏览效果。
<!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>无标题文档</title>
<style>
#lefttime3 { background: url(timerbg.jpg) no-repeat left center; width:1018px;height:55px;
font-size:40px;line-height: 55px;font-family: MS Yahei,Microsoft YaHei;
color: #f00;color:rgb(255,205,1);
}
#day{ margin-left: 592px;}
#hour { margin-left:40px; }
#min { margin-left: 39px;}
#sec { margin-left: 37px;}
</style>
<script>
var djs = function(d,o)
{
var f = {
zero: function(n){
var n = parseInt(n, 10);
if(n > 0) {
if(n <= 9) n = '0' + n;
return String(n);
} else {
return '00';
}
},
run: function(){
var ts = Math.round((new Date(d).getTime() - new Date().getTime()) / 1000);
if(o && ts > 0)
{
var yy = Math.floor(ts / 31556926);
var mm = Math.floor(ts / 2629744); mm = mm > 0 ? mm%12 : '00';
var dd = Math.floor(ts / 86400); dd = dd > 0 ? dd%30 : '00';
var hh = Math.floor(ts / 3600); hh = hh > 0 ? hh%24 : '00';
var ii = Math.floor(ts / 60); ii = ii > 0 ? ii%60 : '00';
var ss = Math.floor(ts % 60);
if(o.y) o.y.innerHTML = f.zero(yy);
if(o.m) o.m.innerHTML = f.zero(mm);
if(o.d) o.d.innerHTML = f.zero(dd);
if(o.h) o.h.innerHTML = f.zero(hh);
if(o.i) o.i.innerHTML = f.zero(ii);
if(o.s) o.s.innerHTML = f.zero(ss);
}
window.setTimeout(f.run,1000);
}
}
f.run();
}
function ieFixed(id)
{
var isIE = (document.all) ? true : false;
var isIE6 = isIE && ([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6);
var obj = document.getElementById(id).style;
if (isIE6 && obj)
{
obj.position = "absolute";
obj.bottom = "0px";
obj.right = "0px";
var tm = window.setInterval(function(){
obj.marginBottom = "0px";
obj.left = ( document.documentElement.scrollLeft + document.documentElement.clientWidth - 312) + "px";
}, 80);
}
}
</script>
</head>
<body style="height:300000px;">
<div id="lll" style="margin:10px;padding:20px; border:solid 2px #DDD; background:#fc6;height:300px;"></div>
<div id="lefttime3" style="position:fixed;bottom:0px;right:0px;"><span id="day"></span><span id="hour"></span><span id="min"></span><span id="sec"></span></div>
<script>
var d = new Date().getTime() + 3600*24*1000;
var d = 1379572933131;
var o = {
d: document.getElementById('day'),
h: document.getElementById('hour'),
i: document.getElementById('min'),
s: document.getElementById('sec')
}
djs(d,o);//倒计时
ieFixed('lefttime3'); //固定在底部
</script>
</body>
</html>