Hello and I apologise if this is a stupid question but I am reading up on
Callbacks in node.js and wanted to ask something about it.
Example code:
fs.readFile('file1.txt', 'utf8', function (err, data) {
if (err) throw err;
console.log('File 1 read!');
});
I just dont know what the parameters *err* & *data* are, is this something
that the node.js engine resolves internally? Hope I am making sense, in
other coding you would create these variables and then pass them to a
method.
Thanks,
Dave Johnson.
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