js带最小化与关闭按钮右下角浮动广告

作者：袖梨 2022-06-25

提示：您可以先修改部分代码再运行

<div style=""></div>
<div id="msg_win">
  <div class="icos"></div>
  <div id="msg_title">右下角漂浮广告效果：</div>
  <div id="msg_content">
<a href="https://www.111cn.net">php教程</a>浮动窗口内容：欢迎提出宝贵意见，谢谢！</div>
</div>
<script language="javascript">
var Message = {
	set: function() {
		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() {
		this.win.style.display = 'none';
		window.onscroll = null;
	},
	setOpacity: function(x) {
		var v = x >= 100 ? '': 'Alpha(opacity=' + x + ')';
		this.win.style.visibility = x <= 0 ? 'hidden': 'visible';
		this.win.style.filter = v;
		this.win.style.opacity = x / 100;
	},
	show: function() {
		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);
	},
	fx: function(a, b, c) {
		var cMath = Math[(a - b) > 0 ? "floor": "ceil"],
		c = c || 0.1;
		return function() {
			return [a += cMath((b - a) * c), a - b];
		}
	},
	getY: function() {
		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) {
		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);
	},
	bind: function() {
		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);
		};
		window.onresize = function() {
			clearTimeout(rt);
			rt = setTimeout(function() {
				me.win.style.top = me.getY().top
			},
			100);
		}
	},
	init: function() {
		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'];
		this.minbtn.innerHTML = this.char[0];
		this.closebtn.innerHTML = this.char[2];
		setTimeout(function() {
			me.win.style.display = 'block';
			me.win.style.top = me.getY().foot;
			me.moveTo(me.getY().top);
		},
		0);
		return this;
	}
};
Message.init();
</script>
<br>
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提示：您可以先修改部分代码再运行

js带最小化与关闭按钮右下角浮动广告

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