It happens! Glad to see people involved in JS at any level.
Chris
On Tuesday, June 9, 2015, Aaron Reabow <rea...@gmail.com> wrote:
> Right. So I forgot about non blocking. The call to redis will enough
> time for js to move on and execute down the page.
>
> I had the feeling this was going to be embarrassing :)
>
> On Monday, 8 June 2015 19:11:10 UTC+2, Aaron Reabow wrote:
>>
>> I have the feeling this might be really dumb. I am trying to obtain the
>> value of a list's length from redis.
>>
>> It is returning correctly inside the anonymous function (if I console.log
>> it), I just can't for the life of me seem to access outside of that
>> function.
>>
>> Here I have set a local variable - len - and tried to assign a value for
>> it inside the function.
>>
>> I wouldn't expect it to work like this, because I should set a global
>> variable len instead.
>>
>> The strange thing is that neither approach works. Even if the global
>> variable did the trick, it seems remiss to be using a global variable for
>> something so trivial.
>>
>> Any ideas on a solution? Here is my code:
>>
>> var len = 0
>> redis.llen("chatRecord", function (err, length) {
>> log('length from llen is: ' + length)
>> len = length
>> });
>>
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Christopher Mina
Live Healthy. Work Hard. Be Kind. Gain Success.
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