Exam Sample JavaScript-Developer-I Questions & Reliable JavaScript-Developer-I Exam Question

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Salesforce Certified JavaScript Developer I exam consists of 60 multiple-choice questions that must be completed within 105 minutes. JavaScript-Developer-I Exam covers a range of topics, including JavaScript, Salesforce fundamentals, and Lightning Web Components. Candidates will be tested on their ability to write efficient, reusable, and maintainable code, as well as their knowledge of best practices and industry standards.

>> Exam Sample JavaScript-Developer-I Questions <<

JavaScript-Developer-I Exam Questions - JavaScript-Developer-I Guide Torrent & Salesforce Certified JavaScript Developer I Exam Test Guide

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Salesforce Certified JavaScript Developer I Exam Sample Questions (Q179-Q184):

NEW QUESTION # 179
Refer to the code below:

What is result of the code block?

A. The console logs only 'flag',
B. The console logs 'flag' and another flag',
C. An error is thrown.
D. The console logs flag' and then an error is thrown.

Answer: D

NEW QUESTION # 180
Given the following code:

What is the output of line 02?

A. "undefined" 0
B. "null"
C. 'object"
D. "x-

Answer: C

NEW QUESTION # 181
Refer to the code below:
01 const exec = (item, delay) =>{
02 new Promise(resolve => setTimeout( () => resolve(item), delay)),
03 async function runParallel() {
04 Const (result1, result2, result3) = await Promise.all{
05 [exec ('x', '100') , exec('y', 500), exec('z', '100')]
06 );
07 return `parallel is done: $(result1) $(result2)$(result3)`;
08 }
}
}
Which two statements correctly execute the runParallel () function?
Choose 2 answers

A. runParallel () .then(data);
B. runParallel () .then(function(data)
return da
C. runParallel ( ). done(function(data){
return data;
});
D. Async runParallel () .then(data);

Answer: B,C

NEW QUESTION # 182
A developer wants to iterate through an array of objects and count the objects and count
the objects whose property value, name, starts with the letter N.
Const arrObj = [{"name" : "Zach"} , {"name" : "Kate"},{"name" : "Alise"},{"name" : "Bob"},{"name" :
"Natham"},{"name" : "nathaniel"}
Refer to the code snippet below:
01 arrObj.reduce(( acc, curr) => {
02 //missing line 02
02 //missing line 03
04 ). 0);
Which missing lines 02 and 03 return the correct count?

A. Const sum = curr.startsWith('N') ? 1: 0;
Return acc +sum
B. Const sum = curr.startsWIth('N') ? 1: 0;
Return curr+ sum
C. Const sum = curr.name.startsWith('N') ? 1: 0;
Return acc +sum
D. Const sum = curr.name.startsWIth('N') ? 1: 0;
Return curr+ sum

Answer: C

NEW QUESTION # 183
Refer to the code below:

What is the result when the Promise in the execute function is rejected?

A. Rejected1 Rejected2 Rejected3 Rejected Rejected Rejected4
B. Resolved1 Resolved2 Resolved3Resolved4
C. Rejected
D. Rejected Resolved

Answer: D

NEW QUESTION # 184
......

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Exam Sample JavaScript-Developer-I Questions & Reliable JavaScript-Developer-I Exam Question

JavaScript-Developer-I Exam Questions - JavaScript-Developer-I Guide Torrent & Salesforce Certified JavaScript Developer I Exam Test Guide

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q179-Q184):

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