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Closure: The Definitive Guide
Closure: The Definitive Guide 
这是一个创建于 4067 天前的主题，其中的信息可能已经有所发展或是发生改变。
//shortcut support. arrow-up arrow-down and enter event.
if (event.which == keyMap.down || event.which == keyMap.up) {
var direction = event.which == keyMap.down ? true : false,
$activeSelector = $('.wcSingleUser.active'),
$tmpSelector;
//if current active selector has next or prev element and direction is matching
//then execute switch active and keep unique
if (((!!($tmpSelector = $activeSelector.next()) && direction)
|| (!!($tmpSelector = $activeSelector.prev()) && !direction))
&& $tmpSelector.length) {
$activeSelector.removeClass('active');
$tmpSelector.addClass('active');
}
return;
}
太美
if (event.which == keyMap.down || event.which == keyMap.up) {
var direction = event.which == keyMap.down ? true : false,
$activeSelector = $('.wcSingleUser.active'),
$tmpSelector;
//if current active selector has next or prev element and direction is matching
//then execute switch active and keep unique
if (((!!($tmpSelector = $activeSelector.next()) && direction)
|| (!!($tmpSelector = $activeSelector.prev()) && !direction))
&& $tmpSelector.length) {
$activeSelector.removeClass('active');
$tmpSelector.addClass('active');
}
return;
}
太美
 | 1 Jaylee 2014-11-05 15:54:24 +08:00 你想表达什么 ？ |
 | 2 cdxem713 2014-11-05 16:49:34 +08:00 函数名是个啥，变量声明不放在函数头么？ |
 | 5 vose 2014-11-06 09:28:05 +08:00 js 新手，不要脸问一下……这段函数是干嘛用？亮点是？ 我也想体会一下呀，教练！ |
 | 6 cmy5001 2014-11-06 10:28:04 +08:00 不明觉厉，简单两个判断可以完成的事，非要绕一大圈，这是逼格的体现？ |
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