JavaScript promises, mastering the asynchronous
Magus
426.2K views
It's time to test if you are really listening. 😉
What are 2 native functions to run code asynchronously in JavaScript ?
let fs = require('fs');
console.log('1');
fs.readFile('test.txt', 'utf8', function(error, data) {
if (error) {
throw error;
}
console.log('2');
});
console.log('3');
What is the output of the code above?
What is the function to stop an interval timer?
Create your playground on Tech.io
This playground was created on Tech.io, our hands-on, knowledge-sharing platform for developers.
Suggested playgrounds