nodejs readfile
const fs = require('fs');
fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
if (err) {
console.error(err);
return
}
console.log(data);
});nodejs readfile
const fs = require('fs');
fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
if (err) {
console.error(err);
return
}
console.log(data);
});async file read node js
function firstFunction(_callback) {
// do some asynchronous work
// and when the asynchronous stuff is complete
const fs = require('fs');
let jsonData;
fs.readFile("industriesByCat.txt", 'utf8', function (err, data) {
if (err) throw err;
jsonData = JSON.parse(data);
console.log(jsonData);
//This is important for callback
_callback();
});
}
function secondFunction() {
// call first function and pass in a callback function which
// first function runs when it has completed
firstFunction(function () {
console.log('huzzah, I\'m done!');
});
}
secondFunction();Copyright © 2021 Codeinu
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