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wvxavier/2-callbacks.js Secret

Last active August 24, 2020 07:24
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2-callbacks
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2-callbacks.js
const doWorkCallback = callback => {
setTimeout(() => {
callback("This is an error!", undefined);
//callback(undefined, [1,2,3])
}, 2000);
};
doWorkCallback((error, result) => {
if (error) {
return console.log(error);
}
console.log(result);
});
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