Pass Guaranteed 2025 Trustable Salesforce JavaScript-Developer-I: Study Salesforce Certified JavaScript Developer I Exam Test

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Salesforce JavaScript-Developer-I certification exam is designed for developers who have experience in using JavaScript to customize Salesforce applications. Salesforce Certified JavaScript Developer I Exam certification validates a developer's understanding of the core concepts of JavaScript, as well as their ability to apply these concepts to customize Salesforce applications. Salesforce Certified JavaScript Developer I Exam certification exam is ideal for those who have experience in building custom applications on the Salesforce platform and are looking to validate their skills and knowledge.

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Salesforce JavaScript-Developer-I Certification leaning siteSalesforce JavaScript-Developer-Is Certification resources

Salesforce JavaScript-Developer-I exam covers a wide range of topics, including data modeling, Apex programming, JavaScript development, Visualforce development, and Lightning Component development. Candidates must demonstrate their proficiency in each of these areas to pass the exam. JavaScript-Developer-I exam also tests the candidate's ability to design and develop custom applications using Salesforce tools and technologies.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q63-Q68):

NEW QUESTION # 63
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 File();
08 if (file) URL.createObjectURL(file);
B. 04 const reader = new FileReader();
08 if (file) reader.readAsDataURL(file);
C. 04 const reader = new FileReader();
08 if (file) URL.createObjectURL(file);
D. 04 const reader = new File();
08 if (file) reader.readAsDataURL(file);

Answer: B

NEW QUESTION # 64
Refer to the HTML below:
<p> The current status of an order: < span> id='' status '> In progress < /span> < /p> Which JavaScript Statement changes the text 'In Progress' to Completed'?

A. Document, getElementById (status'') , value = completed' ;
B. Document, getElementById (''status''), innerHTML = 'Completed' ;
C. Document, getElementById (''# status''), innerHTML = 'Completed' ;
D. Document, getElementById ('',status''), innerHTML = 'Completed' ;

Answer: B

NEW QUESTION # 65
Which three browser specific APIs are available for developers to persist data between page loads ?
Choose 3 answers

A. Global variables
B. Cookies
C. indexedDB
D. IIFEs
E. localStorage.

Answer: C,D,E

NEW QUESTION # 66
Given a value, which three options can a developer use to detect of the value is NaN?
Choose 3 answers

A. Value == NaN
B. Object , is ( value, NaN)
C. Number , isNaN(value)
D. Value I== value
E. Value == Number, NaN

Answer: A,B,C

NEW QUESTION # 67
Refer to the following array:
Let arr = [1, 2, 3, 4, 5];
Which three options result in x evaluating as (3, 4, 5)?
Choose 3 answers

A. Let x = arr. Slince (2, 3);
B. Let x = arr.aplice (2, 3);
C. Let x = arr.filter( (a) => )return a > 2 )) ;
D. Let x = arr.filter( (a) => ( a < 2)) ;
E. Let x = arr.alice (2) ;

Answer: B,C,E

NEW QUESTION # 68
......

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Pass Guaranteed 2025 Trustable Salesforce JavaScript-Developer-I: Study Salesforce Certified JavaScript Developer I Exam Test

Valid JavaScript-Developer-I Test Materials & JavaScript-Developer-I Exam Dumps Demo

For more info read reference:

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q63-Q68):

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