Created
December 10, 2013 18:13
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短路求值 From http://www.ituring.com.cn/article/64610
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| // 糟糕 | |
| function initVar($myVar) { | |
| if(!$myVar) { | |
| $myVar = $('#selector'); | |
| } | |
| } | |
| // 建议 | |
| function initVar($myVar) { | |
| $myVar = $myVar || $('#selector'); | |
| } |
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