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Earning the Salesforce Certified JavaScript Developer I certification demonstrates to potential employers and clients that a professional has the skills and knowledge required to develop and maintain custom JavaScript applications on the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification can lead to increased job opportunities and higher salaries for professionals in the Salesforce ecosystem. Additionally, Salesforce Certified JavaScript Developers can leverage their skills to develop innovative solutions that drive business value for their organizations.

Salesforce JavaScript-Developer-I Certification Exam consists of 60 multiple-choice questions that must be completed within 105 minutes. JavaScript-Developer-I exam focuses on a range of topics, including JavaScript fundamentals, Apex, Visualforce, and Lightning components. A passing score of 68% is required to earn the certification.

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Salesforce JavaScript-Developer-I Certification Exam covers a variety of topics related to the development of custom applications on the Salesforce platform using JavaScript. These topics include but are not limited to data modeling, server-side development, client-side development, security, testing, and deployment. JavaScript-Developer-I Exam also covers the use of Lightning Web Components, Aura Components, and other Salesforce development tools and technologies.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q135-Q140):

NEW QUESTION # 135
Given two expressions var1 and var2, what are two valid ways to return the logical AND of the two expression and ensure it is data type Boolean? Choose 2 answers

A. Var1. Toboolean ( ) && var2, to Boolean ( )
B. Boolean (var1 && var2)
C. Boolean (var1) && Boolean (var2)
D. Var1 && var2

Answer: A,B

NEW QUESTION # 136
Refer the code below.
x=3.14;
function myfunction() {
"use strict";
y=x;
}
z=x;
myFunction();

Answer:

Explanation:
See the Answer below in explanation:
Explanation
Z is equal to 3.14
Use strict has effect only on line 5.
Line 5 throws an error

NEW QUESTION # 137
A developer wrote the following code:
01 let X = object.value;
02
03 try {
04 handleObjectValue(X);
05 } catch (error) {
06 handleError(error);
07 }
The developer has a getNextValue function to execute after handleObjectValue(), but
does not want to execute getNextValue() if an error occurs.
How can the developer change the code to ensure this behavior?

A. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 } finally {
08 getNextValue();
10 }
B. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 } then {
08 getNextValue();
09 }
C. 03 try{
04 handleObjectValue(x);
05 } catch(error){
06 handleError(error);
07 }
08 getNextValue();
D. 03 try {
04 handleObjectValue(x)
05 ........................

Answer: D

NEW QUESTION # 138
A developer wants to use a module named universalContainerLib and then call functions from it.
How should a developer import every function from the module and then call the functions foo and bar?

A. import all from '/path/universalContainerLib.js''
universalContainersLib.foo( ) ;
universalContainersLib bar ( ) :
B. import (foo,bar) from '/path/universalContainerLib.js''
foo ( ) ;
bar ( ) ;
C. import + from '/path/universalContainerLib.js''
universalContainersLib.foo( ) ;
universalContainersLib bar ( ) :
D. import - as lib from '/path/universalContainerLib.js''
lib.foo( ) ;
lib. bar ( ) ;

Answer: D

NEW QUESTION # 139
A developer wrote the following code:
01 let X = object.value;
02
03 try {
04handleObjectValue(X);
05 } catch (error) {
06 handleError(error);
07 }
Thedeveloper has a getNextValue function to execute after handleObjectValue(), but does not want to execute getNextValue() if an error occurs.
How can the developer change the code to ensure this behavior?

A. 03 try{04 handleObjectValue(x);05 } catch(error){06 handleError(error);07 } finally {08 getNextValue();10 }
B. 03 try{04 handleObjectValue(x);05 } catch(error){06 handleError(error);07 }08 getNextValue();
C. 03 try {04 handleObjectValue(x)05 ........................
D. 03 try{04 handleObjectValue(x);05 }catch(error){06 handleError(error);07 } then {08 getNextValue();09 }

Answer: C

NEW QUESTION # 140
......

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