'!!' double negates the object thus converting it to a boolean.
-blair
Daemach wrote:
> What does the !! do?
>
>
> Dan G. Switzer, II wrote:
>>> Please add:
>>>
>>> StructKeyExists: function(s,k){
>>> for(var n in s){
>>> if (n == k) return true;
>>> }
>>> return false;
>>> },
>>>
>>>
>>> Shall we post additions and updates here?
>> This would be much more efficient:
>>
>> StructKeyExists: function(s,k){
>> return !!s[k];
>> },
>>
>> However, it's also important to remember that a ColdFusion "structure"
>> isn't
>> the exact same thing as a JavaScript Object.
>>
>> -Dan
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