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Salesforce JavaScript-Developer-I exam is an essential certification for developers who want to demonstrate their skills and knowledge of building custom applications on the Salesforce platform using JavaScript. Salesforce Certified JavaScript Developer (JS-Dev-101) certification can open up new opportunities for developers and help them showcase their expertise to potential employers and clients. With its comprehensive coverage of the Salesforce platform and its related tools, the exam is a must-have for any developer looking to excel in their career.

Salesforce JavaScript-Developer-I is a certification exam designed for professionals who want to demonstrate their expertise in using JavaScript and related technologies to develop custom applications on the Salesforce platform. JavaScript-Developer-I exam measures the candidate's knowledge of the fundamental concepts of JavaScript, including data types, control structures, functions, arrays, and objects, as well as their ability to apply this knowledge to solve real-world programming problems.

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To be eligible to take the Salesforce JavaScript-Developer-I Exam, candidates must have at least six months of experience in developing client-side JavaScript applications on the Salesforce platform. Additionally, candidates should have a good understanding of the Salesforce platform and its various components, including Apex, Visualforce, and Lightning Web Components.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q35-Q40):

NEW QUESTION # 35
Given the code below:

Which method can be used to provide a visual representation of the list of users and to allow sorting by the name or email attribute?

A. console.info(usersList) ;
B. console.group(usersList) ;
C. console.table(usersList) ;
D. console.groupCol lapsed (usersList) ;

Answer: B

NEW QUESTION # 36
Given the requirement to refactor the code above to JavaScript class format, which class definition is correct?

A. C
B. B
C. D
D. A

Answer: D

NEW QUESTION # 37
Which code change should be done for the console to log the following when 'Click me!' is clicked'
> Row log
> Table log

A. Change line 10 to event.stopPropagation (false) ;
B. Remove lines 13 and 14
C. Remove line 10
D. Change line 14 to elem.addEventListener ('click', printMessage, true);

Answer: A

NEW QUESTION # 38
Refer the code below.
x=3.14;
function myfunction() {
"use strict";
y=x;
}
z=x;
myFunction();

Answer:

Explanation:
Z is equal to 3.14
Use strict has effect only on line 5.
Line 5 throws an error

NEW QUESTION # 39
01 function Animal(size, type) {
02 this.type = type || ' Animal ' ;
03 this.canTalk = false;
04 }
05
06 Animal.prototype.speak = function() {
07 if (this.canTalk) {
08 console.log( " It spoke! " );
09 }
10 };
11
12 let Pet = function(size, type, name, owner) {
13 Animal.call(this, size, type);
14 this.size = size;
15 this.name = name;
16 this.owner = owner;
17 }
18
19 Pet.prototype = Object.create(Animal.prototype);
20 let pet1 = new Pet();
Given the code above, which three properties are set for pet1?

A. name
B. speak
C. type
D. canTalk
E. owner

Answer: A,C,D

Explanation:
When pet1 = new Pet(); is created:
* Inside Pet constructor:
Animal.call(this, size, type);
this.size = size;
this.name = name;
this.owner = owner;
* Animal.call(this, size, type):
* Sets this.type = type || ' Animal ' # ' Animal ' (because type is undefined).
* Sets this.canTalk = false.
* Then this.size, this.name, this.owner are set (to undefined since no args passed), but they do exist as properties .
So as own properties, pet1 has: type, canTalk, size, name, owner.
* speak is defined on Animal.prototype, so pet1.speak exists by inheritance, but is not an own data property created in the constructor.
From the listed options, three important properties directly set by constructor logic and clearly used in behavior are:
* canTalk
* name
* type
Thus, C, D, E.

NEW QUESTION # 40
......

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