Web Technology
primer-original-v2mediumWeb TechnologyJavascriptprimer-original-v2

Polson needs to extract every character from a text string for email validation. Which JavaScript method is best suited?

Answer options

A
characterAt()
B
charAt()
C
getCharAt()
D
charCodeAt()

Correct answer: charAt()

Detailed Solution & Conceptual Analysis

This question has been retained as-is due to its unique context.

Key Engineering Takeaway

In Web Technology, understanding the underlying mechanics of Web Technology is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.

Related Web Technology questions

Which AWS service provides a structured approach to review and improve cloud workloads using best practices?Which AWS Well-Architected Framework pillar is dedicated to reducing costs while maintaining system performance and secu…Which AWS Well-Architected Framework pillar ensures that computing resources are used efficiently to meet performance go…Which AWS device is designed for edge computing and secure data transfer in rugged environments?Which AWS service is used to protect web applications from common web exploits like SQL injection and XSS?Which of the following database services support dynamic schema?

Practice more Web Technology questions

PrimerPrep has independently reviewed practice questions and coding exercises — all free.

Web Technology practice setAll subjects