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javascript - 这是什么意思 : var _gaq = _gaq || [];

转载 作者:行者123 更新时间:2023-12-05 01:33:49 24 4
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Possible Duplicates:
In Javascript, what does it mean when there is a logical operator in a variable declaration?
what’s the javascript “var _gaq = _gaq || []; ” for ?

这个 javascript 语法是什么意思?

var _gaq = _gaq || [];

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