What is the purpose of JavaScript in web development?

JavaScript Fundamentals Assessment

Quiz
•
Other
•
11th Grade
•
Easy
Arber Kazazi
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To style web pages with CSS
To manage server-side databases
To optimize images for faster loading
The purpose of JavaScript in web development is to create interactive and dynamic web content.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you declare a variable in JavaScript?
You must use 'variable' to declare a variable.
You declare a variable using 'var', 'let', or 'const'.
You declare a variable with 'declare'.
You declare a variable using 'define'.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'document' object represent in the DOM?
The 'document' object is a JavaScript function for creating new elements.
The 'document' object represents a single HTML element.
The 'document' object is used to style the webpage.
The 'document' object represents the entire HTML or XML document in the DOM.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a function in JavaScript?
A function in JavaScript is a data structure that holds values.
A function in JavaScript is a method for creating objects.
A function in JavaScript is a type of variable.
A function in JavaScript is a reusable block of code that performs a specific task.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are best practices for writing clean JavaScript code?
Use meaningful names, keep functions small, maintain consistent formatting, avoid globals, comment complex logic, use ES6 features, and write modular code.
Use single-letter variable names
Write all code in one large function
Ignore error handling and debugging
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you get user input in a web application?
Use JavaScript to directly manipulate the DOM without any input elements.
Use HTML form elements like ,
Display a message asking for input without any form elements.
Collect user input through server-side scripts only.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a number and a string in JavaScript?
A number represents numeric values, while a string represents text.
A number can contain letters, while a string cannot.
A number is always an integer, while a string can be a decimal.
A number is used for calculations, while a string is used for variables.
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