$ node

> var a=1;b=2;var add= function(a,b){return a+b;}add(a,b);

SyntaxError: Unexpected identifier

    at Object.exports.createScript (vm.js:24:10)

    at REPLServer.defaultEval (repl.js:235:25)

    at bound (domain.js:287:14)

    at REPLServer.runBound [as eval] (domain.js:300:12)

    at REPLServer.<anonymous> (repl.js:431:12)

    at emitOne (events.js:82:20)

    at REPLServer.emit (events.js:169:7)

    at REPLServer.Interface._onLine (readline.js:211:10)

    at REPLServer.Interface._line (readline.js:550:8)

    at REPLServer.Interface._ttyWrite (readline.js:827:14)

>