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Salesforce CRT-600 Exam Syllabus Topics:

Topic Details
Topic 1
  • Objects, Functions, and Classes
  • Using JavaScript Modules
  • Declaring Classes

Topic 2
  • Type Conversion (explicit and implicit)
  • Working with JSON
  • Data Types and Variables

Topic 3
  • Creating Objects, Object Prototypes, Defining Functions

Topic 4
  • Server Side JavaScript Debugging in Node.js, Node.js Libraries

Topic 5
  • JavaScript Basics
  • Working with Strings, Numbers, and Dates

Topic 6
  • Debugging and Error Handling
  • Throwing and Catching Errors
  • Working with the Console

Topic 7
  • Asynchronous Programming
  • Callback Functions
  • Promises and Async
  • Await


Salesforce Certified JavaScript Developer I Sample Questions (Q49-Q54):

NEW QUESTION # 49
A developer wants to create an object from a function in the browser using the code below.

What happens due to the lack of the mm keyword on line 02?

  • A. The m variable is assigned the correct object.
  • B. window.name is assigned to 'hello' and the variable = remains undefined.
  • C. The m variable is assigned the correct object but this.name remains undefined.
  • D. window.m Is assigned the correct object.

Answer: B
NEW QUESTION # 50
Which statement accurately describes an aspect of promises?

  • A. .then() manipulates and returns the original promise.
  • B. Arguments for the callback function passed to .then() are optional.
  • C. .then() cannot be added after a catch.
  • D. In a.then() function, returning results is not necessary since callbacks will catch the result of a previous promise.

Answer: B
NEW QUESTION # 51
Refer to the following code:

What is the output of line 11?

  • A. ["foo", "bar"]
  • B. ["bar", "foo"]
  • C. [1,2]
  • D. ["foo:1", "bar:2"]

Answer: A
NEW QUESTION # 52
developer uses the code below to format a date.

After executing, what is the value of formattedDate?

  • A. October 05, 2020
  • B. June 10, 2020
  • C. November 05, 2020
  • D. May 10, 2020

Answer: D
NEW QUESTION # 53
A developer uses a parsed JSON string to work with user information as in the block below:
01 const userInformation ={
02 " id " : "user-01",
03 "email" : "[email protected]",
04 "age" : 25
Which two options access the email attribute in the object?
Choose 2 answers

  • A. userInformation.email
  • B. userInformation(email)
  • C. userInformation("email")
  • D. userInformation.get("email")

Answer: A,C
NEW QUESTION # 54
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