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Salesforce JavaScript-Developer-I Exam Overview:

Certification Vendor:Salesforce
Exam Name:Salesforce Certified JavaScript Developer I
Exam Number:JS-Dev-101
Certificate Validity Period:None (Credential does not expire)
Exam Duration:105 minutes
Related Certifications:Salesforce Certified JavaScript Developer I Credential
Exam Format:Multiple-choice, Multiple-select
Real Exam Qty:60 (plus up to 5 unscored pilot questions)
Passing Score:65%
Exam Price:$200 USD
Available Languages:English
Sample Questions:Salesforce JavaScript-Developer-I Sample Questions
Exam Way:Online (proctored via Pearson VUE) or On-site (at a Pearson VUE testing center)
Pre Condition:None required. 1-2 years of JavaScript development experience (front-end and/or back-end) is strongly recommended. Note: To earn the full credential, candidates must also pass the Lightning Web Components Specialist Superbadge in addition to the JS-Dev-101 exam.
Official Syllabus URL:https://trailhead.salesforce.com/en/credentials/javascriptdeveloperi

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The Salesforce JavaScript-Developer-I exam covers a range of topics related to JavaScript development on the Salesforce platform. These include data modeling, user interface development, Apex programming, and integration with external systems. JavaScript-Developer-I Exam is designed to test the candidate's knowledge of best practices and patterns for application development on the Salesforce platform.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q146-Q151):

NEW QUESTION # 146
Refer to 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' ?

Answer: D


NEW QUESTION # 147
A developer wants to use a module called DatePrettyPrint.
This module exports one default function called printDate().
How can the developer import and use printDate()?

Answer: A

Explanation:
ES Modules follow these rules:
* Default exports are imported using:
* import anyName from ' module '
The name chosen in the import does NOT need to match the exported name.
* If a module exports:
* export default function printDate() {}
then consuming code should import the function directly:
import printDate from ' /path/DatePrettyPrint.js ' ;
* To execute it:
* printDate();
Option analysis:
* A incorrect: import DatePrettyPrint() is invalid syntax. Also calling printDate() without importing it is incorrect.
* B incorrect: A default export imported as DatePrettyPrint gives the function itself, not an object containing methods. You cannot call DatePrettyPrint.printDate().
* C incorrect: Imports printDate but then calls DatePrettyPrint.printDate(), which does not exist.
* D correct: Correct import of a default-exported function. Correct direct invocation.
JavaScript Knowledge References (text-only)
* Default export # imported without braces.
* Importing default functions gives a callable function, not an object.
* Correct syntax: import identifier from " module " .


NEW QUESTION # 148
Refer to the code below:
Const searchTest = 'Yay! Salesforce is amazing!" ;
Let result1 = searchText.search(/sales/i);
Let result 21 = searchText.search(/sales/i);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?

Answer: A


NEW QUESTION # 149
Refer to the code below:

Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?

Answer: A


NEW QUESTION # 150
Refer to the code snippet below:
Let array = [1, 2, 3, 4, 4, 5, 4, 4];
For (let i =0; i < array.length; i++)
if (array[i] === 4) {
array.splice(i, 1);
}
}
What is the value of array after the code executes?

Answer: B


NEW QUESTION # 151
......

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