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NextTick Queue (nodejs)

Microtask Queue (v8)

Task Queue

Call Stack

Console

========================================

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

Task Queue

Call Stack

Console

========================================

nextTick: process.stdout.write('N')

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

Task Queue

Call Stack

Console

========================================

nextTick: process.stdout.write('N')

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

immediate: process.stdout.write('O')

Task Queue

Call Stack

Console

========================================

nextTick: process.stdout.write('N')

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

immediate: process.stdout.write('O')

Task Queue

foo()

Call Stack

Console

========================================

nextTick: process.stdout.write('N')

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

immediate: process.stdout.write('O')

Task Queue

bar() foo()

Call Stack

'E'

Console

========================================

nextTick: process.stdout.write('N')

NextTick Queue (nodejs)

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

setTimeout: 20 THEN return promise for ":" setTimeout: 10 THEN return promise for ")" immediate: process.stdout.write(' ') immediate: process.stdout.write('Y') immediate: process.stdout.write('O')

Task Queue

bar() foo()

Call Stack

'E'

Console

========================================

queueMicrotask: process.stdout.write('J')

Microtask Queue (v8)

setTimeout: 20 THEN return promise for ":" setTimeout: 10 THEN return promise for ")" immediate: process.stdout.write(' ') immediate: process.stdout.write('Y') immediate: process.stdout.write('O')

Task Queue

bar() foo()

Call Stack

'EN'

Console

========================================

Microtask Queue (v8)

setTimeout: 20 THEN return promise for ":" setTimeout: 10 THEN return promise for ")" immediate: process.stdout.write(' ') immediate: process.stdout.write('Y') immediate: process.stdout.write('O')

Task Queue

bar() foo()

Call Stack

'ENJ'

Console

========================================

setTimeout: 20 THEN return promise for ":" setTimeout: 10 THEN return promise for ")" immediate: process.stdout.write(' ') immediate: process.stdout.write('Y') immediate: process.stdout.write('O')

Task Queue

bar() foo()

Call Stack

'ENJ'

Console

========================================

setTimeout: 20 THEN return promise for ":" setTimeout: 10 THEN return promise for ")"

Task Queue

bar() foo()

Call Stack

'ENJOY '

Console

========================================

promise: resolve() and then return ")"

Microtask Queue (v8)

setTimeout: 20 THEN return promise for ":"

Task Queue

foo()

Call Stack

'ENJOY '

Console

========================================

Microtask Queue (v8)

setTimeout: 20 THEN return promise for ":"

Task Queue

foo(), with promises on microtask[_pending, ")"]

Call Stack

'ENJOY '

Console

========================================

promise: resolve() and then return ":"

Microtask Queue (v8)

Task Queue

foo(), with promises on microtask[_pending, ")"]

Call Stack

'ENJOY '

Console

========================================

Microtask Queue (v8)

Task Queue

foo(), with promises on microtask[":", ")"]

Call Stack

'ENJOY '

Console

========================================

'ENJOY :)'

Console