JavaScript-Developer-I Exam Topic - New JavaScript-Developer-I Test Camp

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Salesforce JavaScript-Developer-I Exam Overview:

Certification Vendor:	Salesforce
Exam Name:	Salesforce Certified JavaScript Developer I
Exam Number:	JS-Dev-001
Available Languages:	English
Related Certifications:	Salesforce Certified Platform App Builder Salesforce Certified JavaScript Developer I Salesforce Certified Platform Developer I
Real Exam Qty:	60
Certificate Validity Period:	1 year (maintenance required via Salesforce certification maintenance modules)
Exam Format:	Multiple Choice, Multiple Select
Exam Duration:	105 minutes
Exam Price:	USD 200 (may vary by region/tax)
Passing Score:	65%
Recommended Training:	Salesforce Trailhead JavaScript Developer I Prep Salesforce Developer Learning Paths
Exam Registration:	Salesforce Credentials Page Salesforce Certification Registration (Webassessor)
Sample Questions:	Salesforce JavaScript-Developer-I Sample Questions
Exam Way:	Online proctored or onsite testing via Kryterion Webassessor
Pre Condition:	No formal prerequisites, but familiarity with JavaScript and Salesforce platform development is strongly recommended.
Official Syllabus URL:	https://trailhead.salesforce.com/credentials/javascriptdeveloper1

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Earning the Salesforce Certified JavaScript Developer I certification demonstrates a candidate's proficiency in developing custom applications using JavaScript in Salesforce. Salesforce Certified JavaScript Developer (JS-Dev-101) certification is a valuable asset for individuals seeking to advance their careers in Salesforce development or for organizations looking to hire skilled Salesforce developers. Salesforce Certified JavaScript Developer (JS-Dev-101) certification also provides access to the Salesforce Certified Community, which offers networking opportunities, exclusive resources, and ongoing support for Salesforce developers.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q105-Q110):

NEW QUESTION # 105
Refer the following code

what is the value of array after code executes?

A. [ 1, 2, 3, 5 ]

Answer: A

NEW QUESTION # 106
Refer to the string below:
const str = 'Salesforce';
Which two statements result in the word 'Sales'?
Choose 2 answers

A. str.substring (0, 5);
B. str.substr (0, 5);
C. str.substring (1, 5);
D. str.substr(1, 5);

Answer: A,B

NEW QUESTION # 107
Given the code below:
Const copy = JSON.stringify((new String ('false') , new Bolean(false) undefined)); What is the value of copy?

A. --[ false, ()]-
B. -- [ \'false\'', false, undefined]'' ''
C. -- [\''false\", ()""
D. -- [\''false\'', false, null]" "

Answer: D

NEW QUESTION # 108
A developer at Universal Container creates a new landing page based on HTML, CSS, and JavaScript.
To ensure that visitors have a good experience, a script named personalizeewebsiteCotent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initialization.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

A. Document,addEventListener ('DCMContentLoaded' , personalizeWebsiteContent);
B. Document, addEventListener ('oDCMContentLoaded' , personalizewensiteContent);
C. Window, addEventListener('onload', personalizewebsiteContent);
D. Window, addEventListener('load', personalizewebsiteContent);

Answer: D

NEW QUESTION # 109
A developer has the following array of student test grades:
Let arr - [7, 8, 5, 9]
How should want to double each score and then see an array of the students who scored more than 15 points.
How should the developer implement the request?

A. Let arr1 = arr.map ((num) => num + 2 .filter ((val) => val 15 );
B. Let arr1 = arr.mapBy ((num) => return num + 2 )) .filterBy ((val) => ( return val > 15 )) ;
C. Let arr1 = arr .filter ((filter ((val) => ( return val > 15 )) .map (( num => ( return num +2 ));
D. Let arr1 = arr .map ((num => ( num + 2 )) .filterBy ((val => ( val 15 )) ;

Answer: A

NEW QUESTION # 110
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