JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Testing RegEx Patterns / 061

JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Testing RegEx Patterns / 061

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers input validation using regular expressions in JavaScript. It begins with an introduction to validating user input fields, specifically username and feedback, by defining regex patterns. The tutorial then demonstrates how to test these patterns with sample inputs and implement validation logic during form submission. Conditional logic is used to handle validation results, providing feedback to users. The session concludes with a summary and a preview of the next steps.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using regular expressions in the context of this tutorial?

To create animations

To store data in a database

To validate user inputs

To style the webpage

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the requirements for a valid username according to the pattern discussed?

Any letters, 8-12 characters

Lowercase letters only, 6-10 characters

Numbers only, 4-8 characters

Uppercase letters only, 5-15 characters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the allowed character length range for feedback input?

25 to 60 characters

10 to 30 characters

20 to 50 characters

15 to 25 characters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which JavaScript method is used to test the input against the regular expression pattern?

match()

search()

test()

validate()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected result when testing an empty input with the username pattern?

True

False

Undefined

Error

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if both username and feedback inputs are valid upon form submission?

An error message is displayed

A success message is shown

The page reloads

The form is reset

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done if the inputs are invalid during form submission?

Automatically correct the inputs

Prompt the user to check the inputs

Ignore the inputs

Display a success message

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