本demo的功能：点击页面按钮在其边缘出现提示信息，点击页面任何一处则消失。
如下图：
1.所需插件：
- jquery插件；
- layer插件；
2.HTML内容：
==注意==：
- class="j-help-tips"这个class是核心，不可缺少。
- data-tips属性是必须的。
- data-tips属性中：type："1"不用修改；
- data-tips属性中：txt内容即是要提示的内容。
<html> ???<head> ???????<link rel="stylesheet" href="style.css"" type="text/css" /> ???</head> ???????<body> ???????<div style="margin-top: 10%; margin-left: 10%;"> ???????????<span class="testSpan"> ???????????????<i class="edi-icon j-help-tips" data-tips='{"type":"1","txt":"提示内容111..."}'>①</i> ???????????</span> ???????????????????????<span style="margin: 30px;"> ???????????????<i class="edi-icon j-help-tips" data-tips='{"type":"1","txt":"提示内容222..."}'>②</i> ???????????</span> ???????????????????????<span style="margin: 30px;"> ???????????????<i class="edi-icon j-help-tips" data-tips='{"type":"1","txt":"提示内容333..."}'>③</i> ???????????</span> ???????</div> ???</body> ???????<!-- jquery --> ???<script src="http://code.jquery.com/jquery-latest.js"></script> ???<!-- layer --> ???<script src="layer/layer.js" type="text/javascript"></script> ???<!-- 提示插件 --> ???<script src="script.js" type="text/javascript"></script> ???????<script> ???????$(function(){ ???????????<!-- 页面初始化加载 --> ???????????var tips = new helpTips().init(); ???????}) ???</script></html>3.css内容：（非必要）
- 本demo的css非必须，不影响功能；
.edi-icon { ???font-size: 18px; ???font-style: normal; ???-webkit-font-smoothing: antialiased; ???-webkit-text-stroke-width: .2px; ???-moz-osx-font-smoothing: grayscale; ???*display: inline; ???*zoom: 1; ???cursor: pointer;}4.javascript内容：（核心）
//定义提示弹出框；var helpTipsLayer;//定义弹出框的默认设置；function helpTips(t) { ???this.options = {}, ????this.options.elem = ".j-help-tips", //与页面class相对应； ???this.options.type = 1, ????this.options.color = "#8db3d7", ????this.options.time = 0, //设置0是提示弹出框不会自动消失；可设置为其他数字，以毫秒为单位； ???this.options.titleEnd = "录入提示", ????this.options.width = "600px", ????this.options.height = "", ????this.options.imgWidth = "233", ????this.options.imgHeight = "375", ????"undefined" != typeof t && (this.options = $.extend({}, this.options, t)), ????this.elemObj = $(this.options.elem)}!function() { ???//点击页面任何一处可使提示弹出框消失； ???$(document).on("click", function(event){ ???????var e = event || window.event; ???????var target = e.target || e.srcElement; ???????var flag = $(target).hasClass("j-help-tips"); ???????if(helpTipsLayer && !flag){ ???????????layer.close(helpTipsLayer); ???????} ???})}(), helpTips.prototype = { ???constructor : helpTips, ???init : function() { ???????this.bindEvent() ???}, ???bindEvent : function() { ???????var t = this; ???????t.elemObj.on("click", function() { ???????????layer.close(helpTipsLayer);//点击其他任意的提示框按钮，则关闭上一个提示框。 ???????????var i = $(this), ???????????????o = i.data("tips"); ???????????if ("undefined" != typeof o && "undefined" != typeof o.type && 1 == o.type) { ???????????????"undefined" != typeof o && "undefined" != typeof o.txt ? helpTipsLayer = layer.tips(o.txt, i, { ???????????????????tips : [ t.options.type, t.options.color ], ???????????????????time : t.options.time ???????????????}) : t.log() ???????????} else { ???????????????if ("undefined" != typeof o.title && "undefined" != typeof o.txt && "undefined" != typeof o.img) { ???????????????????var e = '<div class="m-popup-ct">', ???????????????????????n = '<h3 class="tt"><span class="txt_01">' + o.title + t.options.titleEnd + '</span></h3><div class="line_01"></div>', ???????????????????????s = "</div>", ???????????????????????l = '<ul class="u-explain-list">', ???????????????????????p = o.txt.split("|"), ???????????????????????a = p.length; ???????????????????a > 0 && $.each(p, function(t, i) { ???????????????????????l += '<li><i class="f-mr5">' + (t + 1) + "</i>" + i + "</li>" ???????????????????}); ???????????????????var r = /^[1-9][\d]{0,2}$/, ???????????????????????c = t.options.imgWidth, ???????????????????????d = t.options.imgHeight; ???????????????????"undefined" != typeof o.w && "undefined" != typeof o.h && r.test(o.w) && r.test(o.h) && (c = o.w, d = o.h), l += '<li><i class="f-mr5">' + (a + 1) + "</i><img src=" + o.img + ' width="' + c + '" height="' + d + '"/></li>', l += "</ul>"; ???????????????????var h = e + n + l + s; ???????????????????layer.open({ ???????????????????????title : !1, ???????????????????????type : 1, ???????????????????????area : [ t.options.width, t.options.height ], ???????????????????????shadeClose : !0, ???????????????????????maxmin : !1, ???????????????????????move : !1, ???????????????????????scrollbar : !1, ???????????????????????content : h ???????????????????}) ???????????????} else { ???????????????????t.log() ???????????????} ???????????} ???????}) ???}, ???log : function() { ???????console.log("请给定提示标题|文字|图片---来自[script.js]函数[helpTips]") ???}};附上源码下载：源码
点击HTML页面问号出现提示框
原文地址：https://www.cnblogs.com/dcncy/p/10306004.html