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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q48-Q53):

NEW QUESTION # 48
Refer to the code below:

What is the value of result when the code executes?

  • A. 5 - 10
  • B. 10 - 10
  • C. 5 - 5
  • D. 10 - 5

Answer: B
NEW QUESTION # 49
Refer to the code below:

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?

  • A. Server. on ('connet' , (port) => (
    Console.log (Listening on' port);
    }};
  • B. server ( (port) => (
    Console.log ('Listening on' , port) ;
    }};
  • C. Server .start();
  • D. server( );

Answer: B
NEW QUESTION # 50
A developer has a web server running with Node.js. The command to start the web server is node server.js.
The web server started having
latency issues. Instead of a one second turnaround for web requests, the developer now sees a five second turnaround.
Which command can the web developer run to see what the module is doing during the latency period?

  • A. NODE_DEBUG=http,https node server.js
  • B. NODE_DEBUG=true node server.js
  • C. DEBUG=http, https node server.js
  • D. DEBUG=true node server.js

Answer: D
NEW QUESTION # 51
Refer to the code below:
Const searchTest = 'Yay! Salesforce is amazing!" ;
Let result1 = searchText.search(/sales/i);
Let result 21 = searchText.search(/sales/i);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?

  • A. > true > false
  • B. > 5 >undefined
  • C. > 5 > 0
  • D. > 5 > -1

Answer: B Explanation:

NEW QUESTION # 52
Refer to the code:

Given the code above, which three properties are set pet1?
Choose 3 answers:

  • A. canTalk
  • B. Type
  • C. Name
  • D. Size
  • E. Owner

Answer: A,B,D
NEW QUESTION # 53
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