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About the jQuery plug-in Timelinr to implement timeline effects

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不言Original
2018-06-25 14:17:491960browse

This article mainly introduces the jQuery plug-in Timelinr to achieve timeline special effects. It has certain reference value. Now I share it with you. Friends in need can refer to it.

The timeline is based on chronological order. Events from one or more aspects are connected in series to form a relatively complete record system, which is then presented to users in the form of pictures and texts. This article has collected a relatively good one on the Internet and shared it with everyone

Preface

This is a timeline plug-in that can be used to display history and plans. It is especially suitable for some websites to display development processes, major events and other scenarios. This plug-in is based on jQuery and can slide to switch, horizontal and vertical scrolling, and supports keyboard arrow keys. After expansion, it can support mouse wheel events.

HTML

We create a p#timeline in the body as the display area, #dates as the timeline, in the example we use year as the main axis, #issues as the content The display area displays the content corresponding to the year of the main axis point. Pay attention to the corresponding ID.

<p id="timeline"> 
  <ul id="dates"> 
   <li><a href="#2011">2011</a></li> 
   <li><a href="#2012">2012</a></li> 
  </ul> 
  <ul id="issues"> 
   <li id="2011"> 
     <p>Lorem ipsum.</p> 
   </li> 
   <li id="2012"> 
     <p>分享生活 留住感动</p> 
   </li> 
  </ul> 
  <a href="#" id="next">+</a> <!-- optional --> 
  <a href="#" id="prev">-</a> <!-- optional --> 
</p>

jQuery Timelinr depends on jQuery, so the jQuery library and jQuery Timelinr plug-in must be loaded in html first.

<script type="text/javascript" src="jquery-1.8.2.min.js"></script>
<script type="text/javascript" src="jquery.timelinr-0.9.53.js"></script>

css

Next use CSS to layout, you can set different CSS to control whether the timeline Whether to arrange horizontally or vertically, you can freely use it according to your needs. The following is a vertical arrangement, that is, the style used for vertical scrolling.

#timeline {width: 760px;height: 440px;overflow: hidden;margin: 40px auto; 
position: relative;background: url(&#39;dot.gif&#39;) 110px top repeat-y;} 
#dates {width: 115px;height: 440px;overflow: hidden;float: left;} 
#dates li {list-style: none;width: 100px;height: 100px;line-height: 100px;font-size: 24px; 
 padding-right:20px; text-align:right; background: url(&#39;biggerdot.png&#39;) 108px center no-repeat;} 
#dates a {line-height: 38px;padding-bottom: 10px;} 
#dates .selected {font-size: 38px;} 
#issues {width: 630px;height: 440px;overflow: hidden;float: right;}   
#issues li {width: 630px;height: 440px;list-style: none;} 
#issues li h1 {color: #ffcc00;font-size: 42px; height:52px; line-height:52px; 
 text-shadow: #000 1px 1px 2px;} 
#issues li p {font-size: 14px;margin: 10px;line-height: 26px;}

jQuery

Calling the timeline plug-in is very simple, execute the following code:

$(function(){ 
  $().timelinr({ 
      orientation:&#39;vertical&#39; 
  }); 
});

jQuery Timelinr provides many settable options that can be set according to your needs. As shown in the figure:

Support wheel driver

In addition, the current jQuery Timelinr does not support mouse wheel driver. In fact, we You can slightly expand the plug-in to support the mouse wheel driver. Here you need to use the wheel time plug-in: jquery.mousewheel.js

After downloading the plug-in, import it in the page:

<script src="jquery.mousewheel.js"></script>

Then, modify jquery.timelinr-0.9.53.js, and add the following code at approximately line 260:

//--------------Added by helloweba.com 20130326---------- 
if(settings.mousewheel=="true") { //支持滚轮 
  $(settings.containerp).mousewheel(function(event, delta, deltaX, deltaY){ 
    if(delta==1){ 
      $(settings.prevButton).click(); 
    }else{ 
      $(settings.nextButton).click(); 
    } 
  }); 
}

We have blocked the buttons prevButton and nextButton, when the wheel event is set to support, the wheel upward is equivalent to clicking the prevButton, and the wheel downward is equivalent to clicking the nextButton.

Finally, after using the following code, the entire timeline can support scroll wheel events

$(function(){ 
  $().timelinr({ 
    mousewheel:  &#39;true&#39; 
  }); 
});

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