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innerhtml vs removechild(firstChild) vs removechild(lastChild) vs innerText
(version: 0)
Comparing performance of:
innerHTML vs removeChild vs removeChild backwards vs innerText
Created:
7 years ago
by:
Guest
Jump 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)
removeChild backwards
var node = document.getElementById('container'); while(node.lastChild) node.removeChild(node.lastChild)
innerText
var node = document.getElementById('container'); node.innerText = '';
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
innerHTML
removeChild
removeChild backwards
innerText
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
5 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Edg/142.0.0.0
Browser/OS:
Chrome 142 on Windows
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Embed Benchmark Result
Test name
Executions per second
innerHTML
2455343.5 Ops/sec
removeChild
19418184.0 Ops/sec
removeChild backwards
18649826.0 Ops/sec
innerText
5976126.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and analyze each test case. **Benchmark Definition Json** The provided JSON defines two benchmarks: a script preparation code and four individual test cases. The script preparation code is used to create a HTML container element with 1000 child elements, which will be used as a baseline for the subsequent test cases. **Script Preparation Code** ```javascript var node = document.getElementById('container'); for (var i = 0; i < 1000; i++) node.appendChild(document.createElement('div')); ``` This code creates an HTML container element with the ID "container" and appends 1000 new child elements to it using a `for` loop. **Individual Test Cases** The four test cases are: 1. **innerHTML**: Sets the inner HTML of the container element to an empty string. 2. **removeChild (firstChild)**: Removes the first child element from the container element using the `removeChild()` method. 3. **removeChild (lastChild)**: Removes the last child element from the container element using the `removeChild()` method with a reference to the last child element. 4. **innerText**: Sets the inner text of the container element to an empty string. **Library and Syntax** None of these test cases use any JavaScript libraries or special features. The syntax used is standard JavaScript DOM manipulation methods. **Options Compared** The benchmark compares four different approaches: 1. `innerHTML`: Setting the inner HTML of the element. 2. `removeChild (firstChild)`: Removing the first child element using `removeChild()` with a reference to the first child element. 3. `removeChild (lastChild)`: Removing the last child element using `removeChild()` with a reference to the last child element. 4. `innerText`: Setting the inner text of the element. **Pros and Cons** Here are some pros and cons for each approach: 1. **innerHTML**: * Pros: Simple and easy to implement, works well for most use cases. * Cons: Can be slow and inefficient, especially when dealing with large amounts of data or complex HTML structures. 2. **removeChild (firstChild)**: * Pros: Fast and efficient, as it only removes the first child element. * Cons: May not be suitable for all use cases, such as when removing the last child element is necessary. 3. **removeChild (lastChild)**: * Pros: Suitable for removing the last child element, but may be slower than `removeChild (firstChild)` due to the additional reference calculation. * Cons: May not be suitable for all use cases, such as when removing the first child element is necessary. 4. **innerText**: * Pros: Simple and easy to implement, works well for most use cases. * Cons: Can be slower than `innerHTML` due to the need to parse and manipulate the text content. **Other Considerations** The benchmark may also consider other factors, such as: * Memory usage and allocation during each test case * Garbage collection overhead * Browser-specific optimizations or quirks Overall, the benchmark aims to compare the performance of these four approaches in a controlled environment, providing insights into their strengths and weaknesses.
Related benchmarks:
innerhtml vs removechild vs remove! (few child nodes)
innerhtml vs removeChild-firstChild vs removeChild-lastChild
innerhtml vs innerText vs removechild vs remove!
innerhtml vs removechild vs remove #0000 (No first child)
innerhtml vs removechild(firstChild) vs removechild(lastChild) vs innerText vs replaceChildren()
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