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for loop walk through elem vs node.previousSibling
(version: 1)
for loop walk through elem vs node.previousSibling
Comparing performance of:
for loop vs node.sibling
Created:
6 years ago
by:
Registered User
Jump to the latest result
HTML Preparation code:
<div id="fakeInput" contenteditable="" placeholder="输入讯息....">1231231<img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"><img class="emoji" src="/sy2/images/message/emoji/15.svg"><img class="emoji" src="/sy2/images/message/emoji/18.svg"><img class="emoji" src="/sy2/images/message/emoji/19.svg"><img class="emoji" src="/sy2/images/message/emoji/20.svg"><img class="emoji" src="/sy2/images/message/emoji/21.svg"><img class="emoji" src="/sy2/images/message/emoji/27.svg"><img class="emoji" src="/sy2/images/message/emoji/26.svg"><img class="emoji" src="/sy2/images/message/emoji/25.svg"><img class="emoji" src="/sy2/images/message/emoji/24.svg"><img class="emoji" src="/sy2/images/message/emoji/23.svg"><img class="emoji" src="/sy2/images/message/emoji/8.svg"><img class="emoji" src="/sy2/images/message/emoji/10.svg"><img class="emoji" src="/sy2/images/message/emoji/11.svg"><img class="emoji" src="/sy2/images/message/emoji/12.svg"><img class="emoji" src="/sy2/images/message/emoji/13.svg"><img class="emoji" src="/sy2/images/message/emoji/14.svg"><img class="emoji" src="/sy2/images/message/emoji/7.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/6.svg"><img class="emoji" src="/sy2/images/message/emoji/5.svg"><img class="emoji" src="/sy2/images/message/emoji/4.svg"><img class="emoji" src="/sy2/images/message/emoji/3.svg"><img class="emoji" src="/sy2/images/message/emoji/1.svg"></div>
Script Preparation code:
var elem = document.getElementById('fakeInput');
Tests:
for loop
for (var j = 0; j < elem.childNodes.length ; j++) { var node = elem.childNodes[j]; console.log(node); }
node.sibling
var node = elem.lastChild; do { console.log(node); } while((node = node.previousSibling) != null );
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
for loop
node.sibling
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
It seems like you're providing some code snippets and benchmark results for a specific JavaScript scenario. To help, I'll need to extract some information from the provided data: 1. **Benchmark Definitions**: * `for (var j = 0; j < elem.childNodes.length ; j++) {\r\n\tvar node = elem.childNodes[j];\r\n\tconsole.log(node);\r\n}` * `var node = elem.lastChild;\r\ndo {\r\n\tconsole.log(node);\r\n} while((node = node.previousSibling) != null );` 2. **Latest Benchmark Results**: * Two test cases with their corresponding results, including the browser version, device platform, operating system, executions per second, and test names. From these, I can infer that: * The first benchmark definition is a `for` loop iterating through an array of child nodes in an HTML element. * The second benchmark definition uses the `lastChild` property to iterate through the siblings of an HTML element. * Both tests are run on Firefox 71 on a desktop device with Windows. Can you please provide more context or clarify what specific question you'd like me to answer based on this information? Are you looking for: * Performance optimization suggestions? * Code refactoring recommendations? * Insights into the results and their implications? Let me know, and I'll do my best to assist you!
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