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Salesforce CRT-600 Exam Syllabus Topics:

Topic Details
Topic 1
  • JavaScript Basics
  • Working with Strings, Numbers, and Dates

Topic 2
  • Server Side JavaScript Debugging in Node.js, Node.js Libraries

Topic 3
  • Browser and Events
  • Document Object Model
  • Browser Dev Tools

Topic 4
  • Creating Objects, Object Prototypes, Defining Functions


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Salesforce Certified JavaScript Developer I Sample Questions (Q100-Q105):

NEW QUESTION # 100
Refer to code below:
function Person() {
this.firstName = 'John';
}
Person.prototype ={
Job: x => 'Developer'
};
const myFather = new Person();
const result =myFather.firstName + ' ' + myFather.job();
What is the value of the result after line 10 executes?

  • A. Error: myFather.job is not a function
  • B. John Developer
  • C. John undefined
  • D. Undefined Developer

Answer: B
NEW QUESTION # 101
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?

  • A. D
  • B. B
  • C. A
  • D. C

Answer: C
NEW QUESTION # 102
Refer to the code below:

What is the value of result after line 10 executes?

  • A. undefined Developer
  • B. Error: myFather.job is not a function
  • C. John Developer
  • D. John undefined

Answer: C
NEW QUESTION # 103
Refer to the code below:
01 const server = require('server');
02 /* Insert code here */
A developer imports a library that creates a web server. The imported library uses events and callbacks to start the servers Which code should be inserted at the line 03 to set up an event and start the web server ?

  • A. Server.start ();
  • B. serve(( port) => (
  • C. server()
  • D. console.log( 'Listening on ', port) ;
  • E. server.on(' connect ' , ( port) => {
    console.log('Listening on ' , port) ;})

Answer: E
NEW QUESTION # 104
Refer to the code below
let inArray = [[1,2],[3,4,5]];
which two statements results in the array [1,2,3,4,5]?
choose 2 answer

  • A. [ ].concat.apply(inArray,[ ]);
  • B. [ ].concat.apply([ ],inArray);
  • C. [ ].concat(...inArray);
  • D. [ ].concat([...inArray])

Answer: B,C
NEW QUESTION # 105
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