Salesforce Javascript Developer I Quiz 19 Topic 6 Questions 91-95

Question: 1

Given the code below:

q1_Javascript Developer I

What is the expected output?

ABoth lines 08 and 09 are executed, and the variables are outputted.

BLine 08 outputs the variable, but line 09 throws an error.

CLine 08 throws an error, therefore line 09 is never executed.

DBoth lines 06 and 09 are executed, but the values outputted are undefined.

Show Answer

Question: 2

Which two console logs out NaN?

Choose 2 answers

AConsole.log(10 / Number ('5) );

BConsole.log(parseint ('two') ) ;

CConsole.log(10 / 'five' ') ;

DConsole.log (10 / 0);

Show Answer

Question: 3

Given the following code:

q3_Javascript Developer I

What is the logged by the first four log statements?

A0 0 1 2

B0 1 2 3

C0 1 1 2

D0 1 2 2

Show Answer

Question: 4

Refer to the code below:

What is the output after the code executes?

q4_Javascript Developer I

AReferenceError: eyeColor is not defined

BReferenceError: assignment to undeclared variable ''Person''

CDeveloper

Dundefined

Show Answer

Question: 5

A developer at Universal Container creates a new landing page based on HTML, CSS, and JavaScript.

To ensure that visitors have a good experience, a script named personalizeewebsiteCotent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initialization.

Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

ADocument, addEventListener ('oDCMContentLoaded' , personalizewensiteContent);

BWindow, addEventListener('load', personalizewebsiteContent);

CWindow, addEventListener('onload', personalizewebsiteContent);

DDocument,addEventListener ('DCMContentLoaded' , personalizeWebsiteContent);

Show Answer

Salesforce Javascript Developer I Quiz:19 Topic:6 Questions:91-95