Which of the following is true about setTimeout(cb, ms) global function?

A. The setTimeout(cb, ms) global function is used to run callback cb after at least ms milliseconds.

B. The setTimeout(cb, ms) function returns an opaque value that represents the timer which can be used to clear the timer.

C. Both of the above.

D. None of the above.

View Answer

Correct Answer :
Both of the above.

Explanation :
No Explanation available for this question

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Is the below code valid?

var cb0 = function (req, res, next) {
  console.log('CB0')
  next()
}

var cb1 = function (req, res, next) {
  console.log('CB1')
  next()
}

var cb2 = function (req, res) {
  res.send('Hello from C!')
}

app.get('/example/c', [cb0, cb1, cb2])

Is the code below valid?

var cb0 = function (req, res, next) {
  console.log('CB0')
  next()
}

var cb1 = function (req, res, next) {
  console.log('CB1')
  next()
}

app.get('/example/d', [cb0, cb1], function (req, res, next) {
  console.log('the response will be sent by the next function ...')
  next()
}, function (req, res) {
  res.send('Hello from D!')
})

A to Z Exams

Which of the following is true about setTimeout(cb, ms) global function?

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