Error in function arrow Unexpected token >

Asked May 16 '16 at 19:14

Active May 16 '16 at 23:05

Viewed 87 times

I don't understand why my console show error in function Arrow

Log Errors

/home/david/js/script.js:3
var file = fs.readFile('file.txt', (err, data) => {
                                                ^
SyntaxError: Unexpected token >
    at Module._compile (module.js:439:25)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:902:3

My function

var fs = require("fs");

var file = fs.readFile('file.txt', (err, data) => {
  if (err) throw err;
        console.log(data);
});

Solution reinstall node :

edited Apr 13 '17 at 12:22

Community

asked May 16 '16 at 19:14

David Hackro

3,652
6
41
61

What version of node do you have? run `node -v`. It properly doesn't support fat arrow functions. – Andreas Louv May 16 '16 at 19:15
My version the node is v0.10.25 – David Hackro May 16 '16 at 19:16
5

@DavidHackro Arrow functions are only supported automatically [in Node v4 and newer](http://node.green/#arrow-functions). v0.12 permits them when using `--harmony` flags. – Jonathan Lonowski May 16 '16 at 19:17
thanks! @JonathanLonowski – David Hackro May 16 '16 at 19:18
@JonathanLonowski AFAIK `--harmony` will not enable fat arrow functions in 0.10. – Andreas Louv May 16 '16 at 19:20
2

Use babel for compile code or latest version node. – VelikiiNehochuha May 16 '16 at 19:24

Error in function arrow Unexpected token >

0 Answers0