发表于 | | 阅读次数 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
<!-- For third-generation iPad with high-resolution Retina display: -->
<link rel="apple-touch-icon-precomposed"
      sizes="144x144"
      href="apple-touch-icon-144x144-precomposed.png">
<!-- For iPhone with high-resolution Retina display: -->
<link rel="apple-touch-icon-precomposed"
      sizes="114x114"
      href="apple-touch-icon-114x114-precomposed.png">
<!-- For first- and second-generation iPad: -->
<link rel="apple-touch-icon-precomposed"
      sizes="72x72"
      href="apple-touch-icon-72x72-precomposed.png">
<!-- For non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
<link rel="apple-touch-icon-precomposed"
      href="apple-touch-icon-precomposed.png">

发表于 | | 阅读次数

Compass is an open-source CSS Authoring Framework.

Compass uses Sass.

发表于 | 分类于 | | 阅读次数

来自 HTML Boilerplate 前端框架的方法。

原理很简单：

  1. 判断 console 对象是否存在，不存在则新建：

    1
    var console = (window.console = window.console || {});

  2. 定义包含 console 对象方法名称的数组。迭代数组，判断 console 对象是否具有对应的方法，如果方法不存在，在 console 对象上新建此方法，并赋值空函数。

    1
    2
    3
    if (!console[method]) {
        console[method] = function() {};
    };

完整的代码：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// Avoid `console` errors in browsers that lack a console.
(function() {
    var method;
    // 空函数
    var noop = function noop() {};
    // 预测console方法列表
    var methods = [
        'assert', 'clear', 'count', 'debug',
        'dir', 'dirxml', 'error', 'exception',
        'group', 'groupCollapsed', 'groupEnd', 'info',
        'log', 'markTimeline', 'profile', 'profileEnd',
        'table', 'time', 'timeEnd', 'timeStamp',
        'trace', 'warn'
    ];
    var length = methods.length;
    var console = (window.console = window.console || {});
    while (length--) {
        method = methods[length];
        // 如果console的此属性（方法）不存在，则将其设定为空函数
        if (!console[method]) {
            console[method] = noop;
        }
    }
}());

发表于 | | 阅读次数 
1
2
3
4
5
6
7
$("#myList").delegate("li", "hover", function ( event ) {
    if (event.type == 'mouseenter') {
        showButtons();
    } else {
        hideButtons();
    }
});

发表于 | | 阅读次数

Meteor is an ultra-simple environment for building modern web applications.

With Meteor you write apps:

  • in pure Javascript
  • that send data over the wire, rather than HTML
  • using your choice of popular open-source libraries
0%