Salesforce Javascript-Developer-I Quiz 4 Topic 9 Questions 16-20

Question: 1

A developer receives a comment from the Tech lead that the code below gives an error.

q1_Javascript-Developer-I

Which line edit should be made to make this code run?

A01 let monthname = 'July ';

B02 let year = 2019 ;

C02 const year = 2020;

D03 if (year == 2019) (

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Question: 2

Refer to the following code:

q2_Javascript-Developer-I

What will the console when the button is clicked?

AOuter message

BOuter message

CInner message

DInner message

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Question: 3

Refer to the code below:

q3_Javascript-Developer-I

Why does the function bar have access to variable =?

AInner function's scope

BHoisting

COuter function's scope

DPrototype chain

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Question: 4

Which statement can a developer apply to increment the browser's navigation history without a page refesh?

AWindow.history,state,push.(newStateObject);

BWindow.history,state,push.(newStateObject, ' ' null;

CWindow.history,pushState.(newStateObject, ' ', null)) ;

DWindow.history,pushState.(newStateObject);

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Question: 5

Universal containers (UC) just launched a new landing page, but users complain that the website is slow, A developer found some functions that cause this problem, To verify this, the developer decides to execute everything and log the time each of these suspicious function consumes.

q5_Javascript-Developer-I

Which function can then developer use to obtain the time spent by every one of the three functions?

AConsole.timeLog ( )

BConsole.getTime ( )

CConsole,trace ( )

DConsole, timestamp

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Salesforce Javascript-Developer-I Quiz:4 Topic:9 Questions:16-20