why use the "!!!"?
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by lazyanno
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Published on 2010-06-11T04:15:42Z
Indexed on
2010/06/11
4:22 UTC
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as follow codes:
var a = {};
if(!!!a[tabType]){
a[tabType] = [];
a[tabType].push([self,boxObj]);
}else{
a[tabType].push([self,boxObj]);
}
i think !!!a[tabType] equals !a[tabType] why use the "!!!" not "!" ?
thank you!
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