javascript - Google Analytics: do I need to encapsulate variables with quotes or not? -


my google analytics isn't functioning anymore. have script loops on array of accounts push data into.

one line of code looks this: 

_gaq.push([prefix+'_trackevent', 'app', 'app', 0, true]);

my question:

does prefix-variable need between ' ' or efficient? or need add ' before prefix?

thanks!

mario


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