getElementsByClassName vs Document.getElementById
Developers should use getElementsByClassName when they need to efficiently select multiple elements sharing a common class for DOM manipulation, such as applying styles to all buttons with a 'btn' class or adding event listeners to form inputs meets developers should learn and use document. Here's our take.
getElementsByClassName
Developers should use getElementsByClassName when they need to efficiently select multiple elements sharing a common class for DOM manipulation, such as applying styles to all buttons with a 'btn' class or adding event listeners to form inputs
getElementsByClassName
Nice PickDevelopers should use getElementsByClassName when they need to efficiently select multiple elements sharing a common class for DOM manipulation, such as applying styles to all buttons with a 'btn' class or adding event listeners to form inputs
Pros
- +It's particularly useful in scenarios where querySelectorAll might be overkill for simple class-based selections, though note that it returns a live collection that updates automatically as the DOM changes
- +Related to: javascript, dom-manipulation
Cons
- -Specific tradeoffs depend on your use case
Document.getElementById
Developers should learn and use Document
Pros
- +getElementById when they need to target a single, unique element on a webpage for tasks such as updating content, changing styles, or adding event listeners
- +Related to: javascript, dom-manipulation
Cons
- -Specific tradeoffs depend on your use case
The Verdict
Use getElementsByClassName if: You want it's particularly useful in scenarios where queryselectorall might be overkill for simple class-based selections, though note that it returns a live collection that updates automatically as the dom changes and can live with specific tradeoffs depend on your use case.
Use Document.getElementById if: You prioritize getelementbyid when they need to target a single, unique element on a webpage for tasks such as updating content, changing styles, or adding event listeners over what getElementsByClassName offers.
Developers should use getElementsByClassName when they need to efficiently select multiple elements sharing a common class for DOM manipulation, such as applying styles to all buttons with a 'btn' class or adding event listeners to form inputs
Disagree with our pick? nice@nicepick.dev