Salesforce Javascript Developer I Quiz 24 Topic 9 Questions 116-120

Question: 1

A developer publishes a new version of a package with new feature that do not break backward compatibility. The previous version number was 1.1.3.

Following semantic versioning format, what should the new package version number be?

A2.0.0

B1.2.3

C1.1.4

D1.2.0

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Question: 2

A developer is creating a simple webpage with a button. When a user clicks this button for the first time, a message is displayed.

The developer wrote the JavaScript code below, but something is missing. The message gets displayed time a user clicks the button instead of just the first time.

q2_Javascript Developer I

Which two code lines make this code work as required? Choose 2 answers

AOn line 02, use event.first to test if it is the first execution.

BOn line 04, use event .stopPropagetion ( );

COn line 04, use button. removeEventlistener ('click', listen );

DOn line 06, ad an option called once to button. addEventlistener ( ).

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Question: 3

A developer uses a parsed JSON string to work with user information as in the block below:

q3_Javascript Developer I

Which two option access the email attributes in the object? Choose 2 answers

AuserInformation ( ''email'' )

BuserInformation. Get (''email'')

CuserInformation. email

DuserInformation(email)

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Question: 4

Refer to the code below:

q4_Javascript Developer I

A developer import a library that creates a web server. the imported library uses events and callback to start the server.

Which code should be inserted at line 03 to set up an event and start the web server?

AServer .start();

BServer. on ('connet' , (port) => (
Console.log (Listening on' port);
}};

Cserver( );

Dserver ( (port) => (
Console.log ('Listening on' , port) ;
}};

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Question: 5

A developer wants to literate through an array of objects and count the objects whose property value, name, start with the letter N. const arrobj -- [{''name ''t ''Zach''}, { ''name t Kate'') , ( ''name Alice'') < ( ''name'' t ''Bob'') , (''name'' t ''Nathan) , (''name'' t ''Nathandle1'')]

Refer to the code snippet below:

q5_Javascript Developer I

Which missing lines 02 and 03 return the correct count?

AConset sun + curr. StartsWith ('N') 7 1 : 1;
Return acc + sum ;

BComst sum = curr. Name startsWith ('N') 7 1 : 0
Return acc + sum;

CComst sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;

DConst sum = curr. name startsWith ('N') 7 1 : 0;
Return curr + sum;

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Salesforce Javascript Developer I Quiz:24 Topic:9 Questions:116-120