Having this same problem now. Did you ever figure this out? On Saturday, October 18, 2014 at 5:39:21 PM UTC-4, jw wrote: > > I'm attempting to write a basic html page to control hardware on the > BeagleBone Black. The HTML file looks like this: > <!DOCTYPE html> > <html> > <head> > <script src="/socket.io/socket.io.js"></script> > <script src="http://code.jquery.com/jquery-2.1.1.min.js";></script> > <script> > var socket = io.connect(); > socket.on('ledstatus', function (data) { > console.log(data); > $('body').css('background-color', data); > }); > > function ledOn(){ > socket.emit('led', 'on'); > } > > function ledOff(){ > socket.emit('led', 'off'); > } > </script> > </head> > <body> > <input type="button" name="on" id="onButton" value="on" > onClick="ledOn();"> > <input type="button" name="off" id="offButton" value="off" > onClick="ledOff();"> > </body> > </html> > > And the .js file looks like this: > var app = require('http').createServer(handler); > var io = require('socket.io').listen(app); > var fs = require('fs'); > var bb = require('bonescript'); > > app.listen(8090); > > console.log('Server running on: http://' + bb.getPlatform().ipAddress + > ':8090'); > > bb.pinMode('USR3', 'out'); > bb.digitalWrite('USR3', 0); > > function handler (req, res) { > fs.readFile('index.html', > function (err, data) { > if (err) { > res.writeHead(500); > return res.end('Error loading index.html'); > } > > res.writeHead(200); > res.end(data); > }); > } > > io.sockets.on('connection', function (socket) { > socket.on('led', function (data) { > console.log(data); > if (data == 'on') { > bb.digitalWrite('USR3', 1); > socket.emit('ledstatus', 'green'); > socket.broadcast.emit('ledupdate', 'green'); > } > else { > bb.digitalWrite('USR3', 0); > socket.emit('ledstatus', 'red'); > socket.broadcast.emit('ledupdate', 'red'); > } > }); > }); > > And it works just fine. The problem is that my application will not have > internet access which makes this line problematic: > <script src="http://code.jquery.com/jquery-2.1.1.min.js";></script> > > So I downloaded jquery-2.1.1.min.js to the same directory as the HTML and > .js files, and changed the above line to: > <script src="jquery-2.1.1.min.js"></script> > > And it stops working, and I get the following errors when I use Chrome's > inspect element tool: > Uncaught SyntaxError: Unexpected token < > Uncaught ReferenceError: $ is not defined > > Anybody know what's going on here? >
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