发布于 2017-01-20 06:26:24 | 168 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。
<!--开始-->
<style type="text/css">
#msg_win{position:absolute;right:0px;display:none;overflow:hidden;z-index:99;border:1px solid #c00;background:#F9EFFC;width:210px;font-size:12px;margin:0px;}
#msg_win .icos{position:absolute;top:2px;*top:0px;right:2px;z-index:9;}
.icos a{float:left;color:#FFFFFF;margin:1px;text-align:center;font-weight:bold;width:14px;height:22px;line-height:22px;padding:1px;text-decoration:none;font-family:webdings;}
.icos a:hover{color:#FFCC00;}
#msg_title{background:#FA6705;border-bottom:1px solid #710B97;border-top:1px solid #FFF;border-left:1px solid #FFF;color:#FFFFFF;height:25px;line-height:25px;text-indent:5px;font-weight:bold;}
#msg_content{margin:1px;margin-right:0;width:210px;height:160px;overflow:hidden; text-align:center}
</style>
<!--结束-->
<div id="msg_win" style="display:block;top:503px;visibility:visible;opacity:1;">
<div class="icos"><a id="msg_min" title="最小化" href="javascript:void 0">_</a><a id="msg_close" title="关闭" href="javascript:void 0">×</a></div>
<div id="msg_title">标题
</div>
<div id="msg_content">
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="210" height="160">
<param name="movie" value="flvplayer.swf?vcastr_file=userlogin/video/qlg.flv&IsAutoPlay=1"/>
<param name="quality" value="high"/>
<param name="allowFullScreen" value="true" />
<embed src="flvplayer.swf?vcastr_file=userlogin/video/qlg.flv&IsAutoPlay=1" allowFullScreen="true" quality="high"
pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="210" height="160"></embed>
</object>
</div>
</div>
<script type="text/javascript">
var Message = {
set: function () {//最小化与恢复状态切换
var set = this.minbtn.status == 1 ? [0, 1, 'block', this.char[0], '最小化'] : [1, 0, 'none', this.char[1], '恢复'];
this.minbtn.status = set[0];
this.win.style.borderBottomWidth = set[1];
this.content.style.display = set[2];
this.minbtn.innerHTML = set[3]
this.minbtn.title = set[4];
this.win.style.top = this.getY().top;
},
close: function () {//关闭
this.win.style.display = 'none';
document.all.xhs1.stop();
window.onscroll = null;
},
setOpacity: function (x) {//设置透明度
var v = x >= 100 ? '' : 'Alpha(opacity=' + x + ')';
this.win.style.visibility = x <= 0 ? 'hidden' : 'visible'; //IE有绝对或相对定位内容不随父透明度变化的bug
this.win.style.filter = v;
this.win.style.opacity = x / 100;
},
show: function () {//渐显
clearInterval(this.timer2);
var me = this, fx = this.fx(0, 100, 0.1), t = 0;
this.timer2 = setInterval(function () {
t = fx();
me.setOpacity(t[0]);
if (t[1] == 0) { clearInterval(me.timer2) }
}, 6); //10 to 6
},
fx: function (a, b, c) {//缓冲计算
var cMath = Math[(a - b) > 0 ? "floor" : "ceil"], c = c || 0.1;
return function () { return [a += cMath((b - a) * c), a - b] }
},
getY: function () {//计算移动坐标
var d = document, b = document.body, e = document.documentElement;
var s = Math.max(b.scrollTop, e.scrollTop);
var h = /BackCompat/i.test(document.compatMode) ? b.clientHeight : e.clientHeight;
var h2 = this.win.offsetHeight;
return { foot: s + h + h2 + 2 + 'px', top: s + h - h2 - 2 + 'px' }
},
moveTo: function (y) {//移动动画
clearInterval(this.timer);
var me = this, a = parseInt(this.win.style.top) || 0;
var fx = this.fx(a, parseInt(y));
var t = 0;
this.timer = setInterval(function () {
t = fx();
me.win.style.top = t[0] + 'px';
if (t[1] == 0) {
clearInterval(me.timer);
me.bind();
}
}, 6); //10 to 6
},
bind: function () {//绑定窗口滚动条与大小变化事件
var me = this, st, rt;
window.onscroll = function () {
clearTimeout(st);
clearTimeout(me.timer2);
me.setOpacity(0);
st = setTimeout(function () {
me.win.style.top = me.getY().top;
me.show();
}, 100); //600 mod 100
};
window.onresize = function () {
clearTimeout(rt);
rt = setTimeout(function () { me.win.style.top = me.getY().top }, 100);
}
},
init: function () {//创建HTML
function $(id) { return document.getElementById(id) };
this.win = $('msg_win');
var set = { minbtn: 'msg_min', closebtn: 'msg_close', title: 'msg_title', content: 'msg_content' };
for (var Id in set) { this[Id] = $(set[Id]) };
var me = this;
this.minbtn.onclick = function () { me.set(); this.blur() };
this.closebtn.onclick = function () { me.close() };
this.char = navigator.userAgent.toLowerCase().indexOf('firefox') + 1 ? ['_', '::', '×'] : ['0', '2', 'r']; //FF不支持webdings字体
this.minbtn.innerHTML = this.char[0];
this.closebtn.innerHTML = this.char[2];
setTimeout(function () {//初始化最先位置
me.win.style.display = 'block';
me.win.style.top = me.getY().foot;
me.moveTo(me.getY().top);
}, 0);
return this;
}
};
Message.init();
</script>