css3 半个字符美化方法

 1 <html lang="zh-CN">
 2 <head>
 3 <title></title>
 4     <meta charset="UTF-8">
 5     <script type="text/javascript" src="js/jquery-2.1.1.min.js"></script>
 6     <style type="text/css">
 7 .halfStyle {
 8     position:relative;
 9     display:inline-block;
10     font-size:5em; /*  任何宽度都可以 */
11     color: black; /* 任何颜色,或透明 */
12     overflow:hidden;
13     white-space: pre; /* 处理空格 */
14     color: #9966ff;
15 }
16 .halfStyle:before {
17     display:block;
18     z-index:2;
19     position:absolute;
20     top:0;
21     left:0;
22     width: 33%;
23     content: attr(data-content); /* 伪元素的动态获取内容 */
24     overflow:hidden;
25     color: #ff6666;
26 }
27 .halfStyle:after{
28 display:block;
29     z-index:1;
30     position:absolute;
31     top:0;
32     left:0;
33     width: 66%;
34     content: attr(data-content); /* 伪元素的动态获取内容 */
35     overflow:hidden;
36     color: #FF6699;
37     }
38     </style>
39 
40 </head>
41 <body>
42     <p>单个字符</p>
43 <span class="halfStyle lazy " data-content="风"></span>
44 <span class="halfStyle lazy " data-content="流"></span>
45 <span class="halfStyle lazy " data-content="倜"></span>
46 <span class="halfStyle lazy " data-content="傥"></span>
47 
48 <hr/>
49 <p>用脚本自动美化:</p>
50 
51 <span class="textToHalfStyle lazy ">恋爱容易婚姻不易,且行且珍惜。</span>
52 
53 <script type="text/javascript">
54     $(function($) {
55     var text, chars, $el, i, output;
56     
57     // 遍历所有字符
58     $('.textToHalfStyle').each(function(idx, el) {
59         $el = $(el);
60         text = $el.text();
61         chars = text.split('');//分割字符串
62         //alert(chars)
63         // Set the screen-reader text
64         $el.html('<span style="position: absolute !important;clip: rect(1px 1px 1px 1px);clip: rect(1px, 1px, 1px, 1px);">' + text + '</span>');
65         alert(text);
66 
67         // Reset output for appending
68         output = '';
69 
70         // Iterate over all chars in the text
71         for (i = 0; i < chars.length; i++) {
72             // Create a styled element for each character and append to container
73             output += '<span class="halfStyle lazy " aria-hidden="true" data-content="' + chars[i] + '">' + chars[i] + '</span>';
74         }
75 
76         // Write to DOM only once
77         $el.append(output);
78     });
79 });
80 </script>
81 </body>
82 </html>

新知识:

white-space: pre; /* 处理空格 */
content: attr(data-content); /* 伪元素的动态获取内容 */
chars = text.split('');//分割字符串
posted @ 2014-10-22 23:51  韵脚学员  阅读(402)  评论(0编辑  收藏  举报