Document.getElementsByTagName vs Document.querySelectorAll

Developers should use Document meets developers should use document. Here's our take.

Document.getElementsByTagName

Nice Pick

Developers should use Document

Pros

• getElementsByTagName when they need to select all elements of a specific type in a document, such as for batch styling, event handling, or content updates
• Related to: document-object-model, javascript-dom

Cons

• Specific tradeoffs depend on your use case

Document.querySelectorAll

Developers should use Document

Pros

• querySelectorAll when they need to select multiple elements based on CSS selectors, such as for batch operations in dynamic web pages
• Related to: javascript, dom-manipulation

Cons

• Specific tradeoffs depend on your use case

The Verdict

Use Document.getElementsByTagName if: You want getelementsbytagname when they need to select all elements of a specific type in a document, such as for batch styling, event handling, or content updates and can live with specific tradeoffs depend on your use case.

Use Document.querySelectorAll if: You prioritize queryselectorall when they need to select multiple elements based on css selectors, such as for batch operations in dynamic web pages over what Document.getElementsByTagName offers.

The Bottom Line

Document.getElementsByTagName wins

Developers should use Document