Free Salesforce Javascript Developer I Exam Dumps and Javascript Developer I Exam Questions

Question No: 21

MultipleChoice

Refer to the code below:

What is the value result after line 10 executes?

Options

AError: myfather.job is not a function

BUndefined Developer

CJohn undefined

DJohn Developer

Question No: 22

MultipleChoice

Refer to the following object:

How can a developer access the fullname property for cat?

Options

ACat.fullName

BCat.fullname ( )

CCat,get,fullname

DCat.function.fullName

Question No: 23

MultipleChoice

Refer to the following code:

Which statement should be added to line 09 for the code to display. The truck 123AB has a weight of 5000 Ib. '?

Options

ASuper.plate = plate;

BSuper = (plate ) ;

CThis .plate = plate;

DVehicle.plate = plate

Question No: 24

MultipleChoice

Which option is a core Node;js module?

Options

APath

BIos

CMemory

Dlocale

Question No: 25

MultipleChoice

Teams at Universal Containers (CU) work on multiple JavaScript projects at the same time. UC us thinking about reusability and how each team can benefit from the work of others.

Going open-source or public is not an option at this time.

Which option is available to UC with npm?

Options

APrivate packages can be scoped, and scopes can be associated to a private registries.

BPrivate registries are not supported by spm, but packages can be installed vis URL.

CPrivate packages are not supported, but they can use another package manager like yarm.

DPrivate register are not supported by npm, but packages can be installed via git.

Question No: 26

MultipleChoice

Refer to the following code block:

What is the value of output after the code executes?

Options

A16

B36

C11

D25

Question No: 27

MultipleChoice

Refer to the code below:

Async funct on functionUnderTest(isOK) {

If (isOK) return 'OK' ;

Throw new Error('not OK');

)

Which assertion accuretely tests the above code?

Options

AConsole.assert (await functionUnderTest(true), ' OK ')

BConsole.assert (await functionUnderTest(true), ' not OK ')

CConsole.assert (await functionUnderTest(true), ' not OK ')

DConsole.assert (await functionUnderTest(true), 'OK')

Question No: 28

MultipleChoice

Refer to the code below:

Which code change should be made for the console to log only Row log when 'Click mel' is clicking?

Options

AAdd event,stopPropagation (); to window,onLoad event hadler.

BAdd event,stopPropagation (); to printMessage function.

CAdd event,stopPropagation (); to window.onLoad event hadler.

DAdd event,stopPropagation (); to printMessage function.

Question No: 29

MultipleChoice

Refer to the code below:

What is display when the cod executes?

Options

AReferenceError: b is not defined

BA

CUndefined

Dnull

Question No: 30

MultipleChoice

Refer to the code below:

Which statement allows a developer to cancel the scheduled timed function?

Options

AremoveTimeout (timeFunction) ;

BremoveTimeout (timerId) ;

CClearTimeout (timerId) ;

DClearTimeout (timeFunction);