You must write this.getDistance = ...
instead of getDistance = ... without this. On Thu, Mar 27, 2014 at 8:02 AM, fm3391 <[email protected]> wrote: > I tried this and everything looks better. The class should only be > instantiated once from server.js. I think my main problem is I don't know > how to make a method to return the value! Please help! > > On Thursday, March 27, 2014 5:05:17 AM UTC-5, ryandesign wrote: > >> >> On Mar 27, 2014, at 04:53, fm3391 <[email protected]> wrote: >> >> > contents of "sensor1_class.js" >> > >> > var Sensor1 = function(){ >> > this.distance = 0; >> > >> > getDistance: function (){ >> > return distance; >> > } >> > >> > }; >> > >> > module.exports = Sensor1; >> > >> > >> > >> > >> > partial contents of "server.js" >> > >> > var sensor1 = require('./sensor1_class'); >> > >> > console.log(sensor1.getDistance()); <--- Here is where I am having the >> trouble, I just want to call a method of object "Sensor1" that returns the >> property "distance" >> >> You have exported the class constructor function; you haven't called the >> function anywhere to instantiate it. >> >> If your intention is that multiple objects could be created, then you've >> exported the right thing, and you need to call that function when you >> require it, e.g.: >> >> >> var sensor1_class = require('./sensor1_class'); >> var sensor1 = sensor1_class(); >> >> >> Alternately, if it is your intention that there be a single instance of >> this object that every other file that requires the class shares, then you >> should instantiate the object in sensor1_class.js and return that instance: >> >> >> module.exports = Sensor1(); >> >> >> -- > -- > Job Board: http://jobs.nodejs.org/ > Posting guidelines: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > You received this message because you are subscribed to the Google > Groups "nodejs" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/nodejs?hl=en?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
