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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.

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Salesforce JavaScript-Developer-I Exam consists of 60 multiple-choice questions that need to be completed in 105 minutes. JavaScript-Developer-I exam covers a range of topics, including JavaScript programming concepts, object-oriented programming, debugging and testing, and integrating with Salesforce. To prepare for the exam, candidates can take the official Salesforce training course, review the official exam guide, and practice with sample questions and exams. Passing the exam requires a minimum score of 65%, and the exam fee is $200 USD.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q39-Q44):

NEW QUESTION # 39
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?

A. > 5 >undefined
B. > 5 > -1
C. > true > false
D. > 5 > 0

Answer: A

Explanation:

NEW QUESTION # 40
A developer wants to create an object from a function in the browser using the code below:
Function Monster() { this.name = 'hello' };
Const z = Monster();
What happens due to lack of the new keyword on line 02?

A. Window.m is assigned the correct object.
B. The z variable is assigned the correct object.
C. The z variable is assigned the correct object but this.name remains undefined.
D. Window.name is assigned to 'hello' and the variable z remains undefined.

Answer: D

NEW QUESTION # 41
Refer to the following code:
Let obj ={
Foo: 1,
Bar: 2
}
Let output =[],
for(let something in obj{
output.push(something);
}
console.log(output);
What is the output line 11?

A. ["bar","foo"]
B. ["foo","bar"]
C. ["foo:1","bar:2"]
D. [1,2]

Answer: B

NEW QUESTION # 42
Refer to the code below?
Let searchString = ' look for this ';
Which two options remove the whitespace from the beginning of searchString?
Choose 2 answers

A. searchString.trimEnd();
B. trimStart(searchString);
C. searchString.trimStart();
D. searchString.replace(/*\s\s*/, '');

Answer: C,D

NEW QUESTION # 43
Which two code snippets show working examples of a recursive function?
Choose 2 answers

A. Let countingDown = function(startNumber) {
If ( startNumber >0) {
console.log(startNumber) ;
return countingDown(startNUmber);
} else {
return startNumber;
}};
B. Function factorial ( numVar ) {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar -1;
C. Const sumToTen = numVar => {
If (numVar < 0)
Return;
return sumToTen(numVar + 1)};
D. Const factorial =numVar => {
If (numVar < 0) return;
If ( numVar === 0 ) return 1;
return numVar * factorial ( numVar - 1 );
};

Answer: A,D

NEW QUESTION # 44
......

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