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Detailed explanation of jQuery tip prompt plug-in

小云云Original: 2018-01-17 13:09:173105browse

This article mainly introduces the relevant knowledge of jQuery tip plug-in. Has very good reference value. Let's take a look with the editor below, I hope it can help everyone.

Rendering:

The code is as follows:

<!DOCTYPE html> 
<html> 
<head> 
 <meta charset="UTF-8"> 
 <title>document</title> 
 <style> 
  .tip{ 
   width: 200px; 
   text-align: center; 
   position: relative; 
   border:1px solid #ccc; 
   height: 50px; 
   line-height: 50px; 
   left: 50%; 
   margin-top: 50px; 
   transform: translateX(-50%); 
  } 
  .tip-container{ 
   position: absolute; 
   box-shadow: 2px 2px 5px #f9f9f9; 
   z-index: 999; 
   display: none; 
  } 
  .tip-container .tip-point-top, 
  .tip-container .tip-point-bottom, 
  .tip-container .tip-point-left, 
  .tip-container .tip-point-right{ 
   border:1px solid #dcdcdc; 
   position: relative; 
   background: white; 
  } 
  .tip-content{ 
   padding:5px 10px; 
   background: white; 
   font-size: 12px; 
   line-height: 1.7; 
   font-family: "Helvetica Neue",Helvetica,Arial,"MicroSoft YaHei"; 
  } 
  .tip-container .tip-point-top::after, 
  .tip-container .tip-point-top::before, 
  .tip-container .tip-point-bottom::after, 
  .tip-container .tip-point-bottom::before{ 
   content:""; 
   position: absolute; 
   border:solid transparent; 
   left: 50%; 
   width: 0; 
   height: 0; 
   transform: translate3d(-50%,0,0); 
   -webkit-transform: translate3d(-50%,0,0); 
  } 
 
  .tip-container .tip-point-right::after, 
  .tip-container .tip-point-right::before, 
  .tip-container .tip-point-left::after, 
  .tip-container .tip-point-left::before{ 
   content:""; 
   position: absolute; 
   border:solid transparent; 
   top: 50%; 
   width: 0; 
   height: 0; 
   transform: translate3d(0,-50%,0); 
   -webkit-transform: translate3d(0,-50%,0); 
 
  } 
  /*tip-point-top*/ 
  .tip-container .tip-point-top::after{ 
   border-top-color: #fff; 
   top: 100%; 
   border-width: 5px; 
  } 
  .tip-container .tip-point-top::before { 
   border-top-color: #dcdcdc; 
   top: 100%; 
   border-width: 7px; 
  } 
  /*tip-point-bottom*/ 
  .tip-container .tip-point-bottom::after{ 
   border-bottom-color: #fff; 
   bottom: 100%; 
   border-width: 5px; 
  } 
  .tip-container .tip-point-bottom::before { 
   border-bottom-color: #dcdcdc; 
   bottom: 100%; 
   border-width: 7px; 
  } 
  /*tip-point-right*/ 
  .tip-container .tip-point-right::after{ 
   border-right-color: #fff; 
   right: 100%; 
   border-width: 5px; 
  } 
  .tip-container .tip-point-right::before { 
   border-right-color: #dcdcdc; 
   right: 100%; 
   border-width: 7px; 
  } 
  /*tip-point-left*/ 
  .tip-container .tip-point-left::after{ 
   border-left-color: #fff; 
   left: 100%; 
   border-width: 5px; 
  } 
  .tip-container .tip-point-left::before { 
   border-left-color: #dcdcdc; 
   left: 100%; 
   border-width: 7px; 
  } 
 </style> 
</head> 
<body> 
<p data-tip="寂寞的天下着忧郁的雨" data-mode="top">天堂不寂寞</p> 
<p data-tip="天堂不寂寞" data-mode="bottom">寂寞的天下着忧郁的雨</p> 
<p data-tip="寂寞的天下着忧郁的雨" data-mode="right">寂寞的天下着忧郁的雨</p> 
<p data-tip="天堂不寂寞" data-mode="left">寂寞的天下着忧郁的雨</p> 
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script> 
<script> 
 /** 
  * Created by zxhuan (you@example.com) 
  * Date: 2016/11/28 
  * Time: 11:14 
  */ 
 ; 
 (function ($,window,document,undefined) { 
  var modePos; 
  $.fn.tip = function (options) { 
   var set = $.extend({ 
    "mode": "bottom", 
    "speed": 300, 
    "tipText":"提示内容" 
   }, options); 
   if(!modePos){ 
    //策略模式 
    //算法 
    modePos = { 
     top: function (t, tip) { 
      return { 
       left: t.offset().left + (t.width() - tip.width()) / 2 + "px", 
       top: t.offset().top - tip.height() - 12 + "px" 
      } 
     }, 
     bottom:function(t, tip){ 
      return { 
       left: this.top(t, tip).left, 
       top: t.offset().top + t.height() + 12 + "px" 
      } 
     }, 
     left:function(t, tip){ 
      return{ 
       left:t.offset().left - tip.width()-12+ "px", 
       top:t.offset().top +(t.height()-tip.height())/2+"px" 
      } 
     }, 
     right:function(t, tip){ 
      return{ 
       left:t.offset().left +t.width()+12+ "px", 
       top:t.offset().top +(t.height()-tip.height())/2+"px" 
      } 
     } 
    }; 
   } 
   function Tip(_this){ 
    var _that = $(_this); 
    var _mode = set.mode; 
    var tipText=set.tipText; 
    var _tip=".tip-container"; 
    if (_that.data("mode")) { 
     _mode = _that.data("mode"); 
    } 
    if(_that.data("tip")){ 
     tipText = _that.data("tip"); 
    } 
    _that.css("cursor", "pointer"); 
    _that.hover(function () { 
     var _tipHtml = &#39;<p><p class="tip-point-&#39; + _mode + &#39;"><p>&#39; + tipText + &#39;</p></p></p>&#39;; 
     _that.removeAttr("title alt"); 
     $("body").append(_tipHtml); 
     $(_tip).css(modePos[_mode](_that,$(_tip))).fadeIn(set.speed); 
    }, function () { 
     $(".tip-container").remove(); 
    }); 
   } 
   return this.each(function () { 
    return new Tip(this); 
   }); 
  } 
 })(jQuery,window,document); 
 $(".tip").tip(); 
</script> 
</body> 
</html>

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