SALESFORCE JAVASCRIPT-DEVELOPER-I SAMPLE QUESTIONS ANSWERS, LATEST JAVASCRIPT-DEVELOPER-I EXAMPREP

Salesforce JavaScript-Developer-I Sample Questions Answers, Latest JavaScript-Developer-I Examprep

Salesforce JavaScript-Developer-I Sample Questions Answers, Latest JavaScript-Developer-I Examprep

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Tags: JavaScript-Developer-I Sample Questions Answers, Latest JavaScript-Developer-I Examprep, Test JavaScript-Developer-I Prep, Printable JavaScript-Developer-I PDF, Minimum JavaScript-Developer-I Pass Score

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q25-Q30):

NEW QUESTION # 25
Refer to the code below:

In which sequence will the number be logged?

  • A. 0 2 4 1 3
  • B. 0 2 4 3 1
  • C. 0 1 2 3 4
  • D. 1 3 0 2 4

Answer: B


NEW QUESTION # 26
Which three statements are true about promises ?
Choose 3 answers

  • A. The executor of a new Promise runs automatically.
  • B. A fulfilled or rejected promise will not change states .
  • C. A pending promise can become fulfilled, settled, or rejected.
  • D. A settled promise can become resolved.
  • E. A Promise has a .then() method.

Answer: B,C,E


NEW QUESTION # 27
A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
Here is the HTML file content:
<input type =" text" value="Hello" name ="input">
<button type ="button" >Display </button> The developer wrote the javascript code below:
Const button = document.querySelector('button');
button.addEvenListener('click', () => (
Const input = document.querySelector('input');
console.log(input.getAttribute('value'));
When the user clicks the button, the output is always "Hello".
What needs to be done to make this code work as expected?

  • A. Replace line 02 with button.addCallback("click", function() {
  • B. Replace line 02 with button.addEventListener("onclick", function() {
  • C. Replace line 04 with console.log(input .value);
  • D. Replace line 03 with const input = document.getElementByName('input');

Answer: C


NEW QUESTION # 28
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. serve(( port) => (
  • B. console.log( 'Listening on ', port) ;
  • C. server.on(' connect ' , ( port) => {
    console.log('Listening on ' , port) ;})
  • D. server()
  • E. Server.start ();

Answer: C


NEW QUESTION # 29
A developer is leading the creating of a new browser application that will server a single page application. The team wants to use a new web framework Minialist.js. The lead developer wants to advocate for a more seasoned wen framework that already has a community around it.
Which two frameworks should the load developer advocate for?

  • A. Koa
  • B. Angular
  • C. Vue
  • D. Express

Answer: B,D


NEW QUESTION # 30
......

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