LATEST SALESFORCE JAVASCRIPT-DEVELOPER-I EXAM CRAM & JAVASCRIPT-DEVELOPER-I FREE BRAIN DUMPS

Latest Salesforce JavaScript-Developer-I Exam Cram & JavaScript-Developer-I Free Brain Dumps

Latest Salesforce JavaScript-Developer-I Exam Cram & JavaScript-Developer-I Free Brain Dumps

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Salesforce JavaScript-Developer-I exam is a multiple-choice exam that consists of 60 questions. The time limit for the exam is 105 minutes, and candidates must score at least 68% to pass. JavaScript-Developer-I Exam is available in English, Japanese, and Spanish, and it is proctored online.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q90-Q95):

NEW QUESTION # 90
Refer to code below:
Function muFunction(reassign){
Let x = 1;
var y = 1;
if( reassign ) {
Let x= 2;
Var y = 2;
console.log(x);
console.log(y);}
console.log(x);
console.log(y);}
What is displayed when myFunction(true) is called?

  • A. 2 2 1 1
  • B. 2 2 2 2
  • C. 2 2 undefined undefined
  • D. 2 2 1 2

Answer: D


NEW QUESTION # 91
is below:
<input type="file" onchange="previewFile()">
<img src="" height="200" alt="Image Preview..."/>
The JavaScript portion is:
01 function previewFile(){
02 const preview = document.querySelector('img');
03 const file = document.querySelector('input[type=file]').files[0];
04 //line 4 code
05 reader.addEventListener("load", () => {
06 preview.src = reader.result;
07 },false);
08 //line 8 code
09 }
In lines 04 and 08, which code allows the user to select an image from their local
computer , and to display the image in the browser?

  • A. 04 const reader = new FileReader();
    08 if (file) URL.createObjectURL(file);
  • B. 04 const reader = new FileReader();
    08 if (file) reader.readAsDataURL(file);
  • C. 04 const reader = new File();
    08 if (file) reader.readAsDataURL(file);
  • D. 04 const reader = new File();
    08 if (file) URL.createObjectURL(file);

Answer: B


NEW QUESTION # 92
Given the JavaScript below:

Which code should replace the placeholder comment on line 06 to hide accounts that do not match the search string?

  • A. 'Block' : 'none'
  • B. 'Hidden, visible
  • C. 'Visible : 'hidden'
  • D. 'None' : 'block'

Answer: A


NEW QUESTION # 93
Refer to the following code:
<html lang="en">
<body>
<divonclick = "console.log('Outer message') ;">
<button id ="myButton">CLick me<button>
</div>
</body>
<script>
function displayMessage(ev) {
ev.stopPropagation();
console.log('Inner message.');
}
const elem = document.getElementById('myButton');
elem.addEventListener('click' , displayMessage);
</script>
</html>
What will the console show when the button is clicked?

  • A. Outer messageInner message
  • B. Inner messageOuter message
  • C. Inner message
  • D. Outer message

Answer: C


NEW QUESTION # 94
A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript. The website includes multiple external resources that are loaded when the page is opened.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage Is loaded and there Is no need to wait for the resources to be available.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

  • A. windows,addEventListener('load', personalizeWebsiteContent);
  • B. windows,addEventListener('onDOMCContentLoaded', personalizeWebsiteContent);
  • C. windows,addEventListener('onload', personalizeWebsiteContent);
  • D. windows,addEventListener('DOMContent Loaded ', personalizeWebsiteContent);

Answer: A


NEW QUESTION # 95
......

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