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csrgxtu/cb.js

Created September 30, 2017 08:09
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node cb access parent's var
Raw
cb.js
fs = require('fs')
fs.readFile('/etc/hosts', 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
console.log(data);
});
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csrgxtu commented Sep 30, 2017 

fs = require('fs')

function cb(err, data) {
  if (err) {
    return console.log(err);
  }
  console.log(data);
}

fs.readFile('/etc/hosts', 'utf8', cb);

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