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innerhtml vs removechild vs replacechildren
(version: 0)
Comparing performance of:
innerHTML vs removeChild vs replaceChildren
Created:
3 years ago
by:
Guest
Go to the latest result
HTML Preparation code:
<div id="container"></div>
Script Preparation code:
var node = document.getElementById('container'); for(var i = 0; i < 1000; i++) node.appendChild(document.createElement('div'));
Tests:
innerHTML
var node = document.getElementById('container'); node.innerHTML = '';
removeChild
var node = document.getElementById('container'); while(node.firstChild) node.removeChild(node.firstChild)
replaceChildren
var node = document.getElementById('container'); node.replaceChildren();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
innerHTML
removeChild
replaceChildren
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
11 months ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.1
Browser/OS:
Mobile Safari 18 on iOS 18.6.2
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=616051" width="100%" height="500px"></iframe>
removeChild
54.3M/s
innerHTML
21.3M/s
replaceChildren
17.2M/s
View exact numbers
Test name
Executions per second
✓
removeChild
54,315,196 Ops/sec
innerHTML
21,276,488 Ops/sec
replaceChildren
17,202,370 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark definition and test cases. **Benchmark Definition** MeasureThat.net uses JavaScript microbenchmarks to compare the performance of three different approaches: 1. `innerHTML`: setting the inner HTML of an element 2. `removeChild` (and its variants): removing children from an element using a while loop or the `removeChild()` method 3. `replaceChildren`: replacing the children of an element using the `replaceChildren()` method **Approaches** Here's a brief overview of each approach, their pros and cons, and considerations: * **innerHTML**: This approach is often considered the fastest because it updates the DOM directly, which can be more efficient. However, this approach has a few drawbacks: * It requires creating a new string with the updated content, which can lead to memory allocation overhead. * If the HTML structure changes frequently, using `innerHTML` might not be the best choice due to potential DOM inconsistencies. * **removeChild**: This approach involves removing individual elements and re-appending them. While it's more flexible than `innerHTML`, it has some limitations: * It requires creating a new array of elements or objects, which can lead to memory allocation overhead. * If the child nodes are complex (e.g., have event listeners, attributes), this approach might not be suitable due to potential issues with these nodes. * **replaceChildren**: This approach is more efficient than `removeChild` because it only updates the children without creating new elements. However, it has its own set of challenges: * It requires updating the child nodes' content and/or properties. * If the child nodes are complex (e.g., have event listeners, attributes), this approach might not be suitable. **Libraries and Special Features** There is no explicit library mentioned in the benchmark definition. However, some libraries like jQuery or React might be used in a real-world scenario to achieve similar performance optimizations. Some special JavaScript features, such as async/await or promises, are not explicitly used in this benchmark but can affect performance in other scenarios. **Alternatives** Other alternatives for improving performance in DOM manipulation include: * Using `textContent` instead of `innerHTML` * Creating a document fragment to update the DOM * Using Web Workers for computationally intensive tasks These alternatives might be more suitable depending on the specific use case and requirements.
Related benchmarks
innerhtml vs removechild vs remove! (few child nodes)
innerhtml vs removeChild-firstChild vs removeChild-lastChild
innerhtml vs removechild(firstChild) vs removechild(lastChild) vs innerText vs replaceChildren()
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