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CRT-600 New Braindumps Questions | Latest Study CRT-600 Questions
CRT-600 New Braindumps Questions,Latest Study CRT-600 Questions,CRT-600 Premium Files,CRT-600 Dumps Torrent,CRT-600 Exam Dumps Free, CRT-600 New Braindumps Questions | Latest Study CRT-600 Questions

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Salesforce CRT-600 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Server Side JavaScript Debugging in Node.js, Node.js Libraries
Topic 2
  • JavaScript Basics
  • Working with Strings, Numbers, and Dates
Topic 3
  • Creating Objects, Object Prototypes, Defining Functions
Topic 4
  • Type Conversion (explicit and implicit)
  • Working with JSON
  • Data Types and Variables
Topic 5
  • Browser and Events
  • Document Object Model
  • Browser Dev Tools
Topic 6
  • Asynchronous Programming
  • Callback Functions
  • Promises and Async
  • Await
Topic 7
  • Objects, Functions, and Classes
  • Using JavaScript Modules
  • Declaring Classes

Salesforce Certified JavaScript Developer I Sample Questions (Q26-Q31):

NEW QUESTION # 26
Given the following code:
Let x =null;
console.log(typeof x);
What is the output of the line 02?

  • A. "Object"
  • B. "X"
  • C. "Null"
  • D. "undefined"

Answer: A


NEW QUESTION # 27
Refer to the HTML below:
<div id="main">
<ul>
<li>Leo</li>
<li>Tony</li>
<li>Tiger</li>
</ul>
</div>
Which JavaScript statement results in changing " Tony" to "Mr. T."?

  • A. document.querySelectorAll('$main $TONY').innerHTML = ' Mr. T. ';
  • B. document.querySelector('$main li.Tony').innerHTML = ' Mr. T. ';
  • C. document.querySelector('$main li:nth-child(2)'),innerHTML = ' Mr. T. ';
  • D. document.querySelector('$main li:second-child').innerHTML = ' Mr. T. ';

Answer: C


NEW QUESTION # 28
A developer has the function, shown below, that is called when a page loads.
function onload() {
console.log("Page has loaded!");
}
Where can the developer see the log statement after loading the page in the browser?

  • A. On the webpage.
  • B. Browser performance toots
  • C. Browser javaScript console
  • D. Terminal running the web server.

Answer: C


NEW QUESTION # 29
A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.
Which command should the developer run to start the server locally?

  • A. npm start server,js
  • B. npm start
  • C. start server,js
  • D. node start

Answer: B


NEW QUESTION # 30
A developer is trying to handle an error within a function.
Which code segment shows the correct approach to handle an error without propagating it elsewhere?
A)

B)

C)

D)

  • A. Option B
  • B. Option A
  • C. Option D
  • D. Option C

Answer: C


NEW QUESTION # 31
......

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