Salesforce Certified JavaScript Developer I Exam Questions
Salesforce Certified JavaScript Developer I (Page 5 )

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 letterN. 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 developer creates a class that represents a blog post based on the requirement that a Post should have a body author and view count.
The Code shown Below:
Class Post{

// Insert code here
This.body =body
This.author = author;
this.viewCount = viewCount;
}
}
Which statement should be inserted in the placeholder on line 02 to allow for a variable to be set to a new instanceof a Post with the three attributes correctly populated?

Which three options show valid methods for creating a fat arrow function? Choose 3 answers

Refer to the code below:
const event = new CustomEvent(

//Missing Code
);
obj.dispatchEvent(event);
A developer needs to dispatch a custom event called update to send information about recordId.
Which two options could a developer insert at the placeholder in line 02 to achieve this? Choose 2 answers

Refer to thecode below:
Const pi = 3.1415326,
What is the data type of pi?