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Detailed example of the barrage effect implemented by jQuery

小云云Original: 2017-12-29 10:31:501573browse

Barrage is a very fun experience. This article mainly introduces the barrage effect implemented by jQuery. It analyzes the barrage effect by combining jQuery with the time function to control the gradient of the input text and style in the form of a complete example. Friends who need it can For reference.

When watching videos, there will always be some barrage. For this special effect that looks very high-end, it is actually not difficult to achieve.

The entire code is shown below:

<!doctype html> 
<html> 
<head> 
<meta charset="UTF-8"> 
<title>www.php.cn弹幕</title> 
<style type="text/css"> 
  html,body{ 
    background:#efefef; 
    height:100%; 
  } 
  .danmu{ 
    width: 100px; 
    height:30px; 
    line-height: 28px; 
    background: green; 
    border-radius: 5px; 
    border:1px solid #fff; 
    color: #fff; 
    outline: none; 
  } 
  p.mask{ 
    position:fixed; 
    width:100%; 
    height:100%; 
    background:rgba(0,0,0,0.8); 
    opacity:0.5; 
    top:0px; 
    left:0px; 
  } 
  p.bottom{ 
    width:100%; 
    height:77px; 
    background:linear-gradient(#ccc,#4a4a4a); 
    position:fixed; 
    bottom:0px; 
    left:0px; 
    text-align:center; 
    line-height:77px; 
  } 
  p.bottom input.content{ 
    width:50%; 
    min-width: 200px; 
    height:37px; 
    border:none; 
    border-radius:10px 0px 0px 10px; 
    font-size:16px; 
    padding:0 10px; 
    outline:none; 
  } 
  p.bottom a.send{ 
    background-color:green; 
    color:#fff; 
    display:inline-block; 
    width:100px; 
    height:38px; 
    line-height:37px; 
    text-align:center; 
    position:relative; 
    left:-10px; 
    top:2px; 
    border-radius:0px 10px 10px 0px; 
    text-decoration:none; 
    font-family:&#39;Microsoft Yahei&#39;; 
  } 
  p.mask a.button{ 
    width:30px; 
    height:30px; 
    border-radius:50%; 
    background-color:green; 
    color:#fff; 
    position:fixed; 
    top:20px; 
    right:20px; 
    text-align:center; 
    line-height:30px; 
    font-size:20px; 
    font-family:&#39;Microsoft Yahei&#39;; 
    border:1px solid #fff; 
    text-decoration:none; 
    cursor:pointer; 
  } 
  p.text{ 
    color:#fff; 
    position:fixed; 
    right:0px; 
    font-size:20px; 
    white-space: nowrap; 
  } 
</style> 
</head> 
<body> 
<button>弹幕技术</button> 
  <p> 
    <a href="#" rel="external nofollow" rel="external nofollow">X</a> 
  </p> 
  <!-- 底部发言框前端 --> 
  <p> 
    <input></input> 
    <a href="#" rel="external nofollow" rel="external nofollow">发表言论</a> 
  </p> 
  <script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script> 
  <script> 
   $("a.send").click(function(){ 
  var val=$(".content").val(); 
  var content=$("<p>"+val+"</p>"); 
  var top=Math.random()*$(document.body).height()+40+"px"; 
  content.css("top",top); 
  $(".mask").append(content); 
  content.animate({right:$(document.body).width()+100},8000,function(){ 
  $(this).remove(); 
  }) 
  }); 
  $(&#39;.button&#39;).click(function(){ 
      $(&#39;p.mask&#39;).fadeOut(500); 
    }); 
    $(".danmu").click(function(){ 
     $(&#39;p.mask&#39;).fadeIn(500); 
  }); 
</script> 
</body> 
</html>

Have you learned it? Hurry up and give it a try.

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