What is getElementsByTagName in JavaScript?

Why is getElementsByTagName used?

getElementsByTagName is used to get a list of elements with a specified TagName. The returned list will basically be a live HtmlCollection ff elements in the same order as in the source file.

The Indexing of Returned listwhere list elements are called as Nodes of HtmlCollection starts at 0.

Syntax

document.getElementsByTagName(TagName)

Examples
Free Resources
License: Creative Commons-Attribution-ShareAlike 4.0 (CC-BY-SA 4.0)
Learn in-demand tech skills in half the time
PRODUCTS
Mock Interview
New
Courses
Skill Paths
Projects
Assessments
TRENDING TOPICS
Learn to Code
Tech Interview Prep
Generative AI
Data Science
Machine Learning
GitHub Students Scholarship
Early Access Courses
Blind 75
Layoffs
Pricing
For Individuals
Try for Free
Gift a Subscription
CONTRIBUTE
Become an Author
Become an Affiliate
Earn Referral Credits
RESOURCES
Blog
Cheatsheets
Webinars
Answers
ABOUT US
Our Team
Careers
Hiring
Frequently Asked Questions
Contact Us
Press
LEGAL
Privacy Policy
Cookie Policy
Terms of Service
Business Terms of Service
Data Processing Agreement
INTERVIEW PREP COURSES
Grokking the Modern System Design Interview
Grokking the Product Architecture Design Interview
Grokking the Coding Interview Patterns
Machine Learning System Design
Tiktok Streamline Icon: https://streamlinehq.com
Copyright ©2025 Educative, Inc. All rights reserved.
soc2