Jan-2026 Get Totally Free Updates on JavaScript-Developer-I Dumps PDF Questions [Q92-Q108]

QUESTION 92
Given the following code:

What is the output of line 02?

QUESTION 93
Refer to the code below:

Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?

QUESTION 94
A developer is trying to convince management that their team will benefit from using Node.JS for a backend server that they are going to create. The server will be a web server that handles API requests from a website that the team has already built using HTML, CSS, and JavaScript.
Which three benefits of Node.js can the developer use to persuade their manager?
Which three benefits of Node.js can the developer use to persuade their manager?

QUESTION 95
A developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript.
The website includes multiple external resources that are loaded when the page is opened.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is loaded and there is no need to wait for the resources to be available.
Which statement should be used to call personalizeWebsiteContent based on the above business requirement?

QUESTION 96
Refer to the code below:

Which value can a developer expect when referencing country,capital,cityString?

QUESTION 97
A developer creates a generic function to log custom messages in the console. To do this,
the function below is implemented.
01 function logStatus(status){
02 console./*Answer goes here*/{‘Item status is: %s’, status};
03 }
Which three console logging methods allow the use of string substitution in line 02?

QUESTION 98
GIven a value, which three options can a developer use to detect if the value is NaN?
Choose 3 answers !

QUESTION 99
A developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three numbers in the array, and the test passes.
A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array.

Which two results occur when running this test on the updated sum3 function?
Choose 2 answers

QUESTION 100
Refer to the code below:

In which sequence will the number be logged?

QUESTION 101
Refer to the code below:

Considering that JavaScript is single-threaded, what is the output of line 08 after the code executes?

QUESTION 102
What are two unique features of functions defined with a fat arrow as compared to normal function definition?
Choose 2 answers

QUESTION 103
Refer to the following code block:
class Animal{
constructor(name){
this.name = name;
}
makeSound(){
console.log(`${this.name} is making a sound.`)
}
}
class Dog extends Animal{
constructor(name){
super(name)
this.name = name;
}
makeSound(){
console.log(`${this.name} is barking.`)
}
}
let myDog = new Dog(‘Puppy’);
myDog.makeSound();
What is the console output?

QUESTION 104
Refer to the code below:
function changeValue(param) {
Param =5;
}
Let a =10;
Let b =5;
changeValue(b);
Const result = a+ ” – “+ b;
What is the value of result when code executes?

QUESTION 105
A developer at Universal Containers is creating their new landing page basedon HTML, CSS, and JavaScript.
To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initializations.
Which implementation should be used to call Fe:s:-a;::eHec5;te::.-.ter.: based on the business requirement above?

QUESTION 106
Refer to the following code:
Let sampleText = ‘The quick brown fox jumps’;
A developer needs to determine if a certain substring is part of a string.
Which three expressions return true for the given substring ?
Choose 3 answers

QUESTION 107
Refer to the following code:

What is the output of line 11?

QUESTION 108
A developer has an is Dog function that takes one argument cat. They want to schedule the function to run every minute.
What is the correct syntax for scheduling this function?