<div id="container"></div>
var node = document.getElementById('container');
for(var i = 0; i < 1000; i++) node.appendChild(document.createElement('div'));
var node = document.getElementById('container');
node.innerHTML = '';
var node = document.getElementById('container');
while(node.firstChild) node.removeChild(node.firstChild)
var node = document.getElementById('container');
while(node.firstChild) node.firstChild.remove()
var node = document.getElementById('container');
node.textContent = '';
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
innerHTML | |
removeChild | |
remove | |
textContent |
Test name | Executions per second |
---|---|
innerHTML | 12893257.0 Ops/sec |
removeChild | 14556511.0 Ops/sec |
remove | 14600804.0 Ops/sec |
textContent | 12871568.0 Ops/sec |
Benchmark Overview
The provided benchmark, "innerhtml vs removechild vs remove vs textContent", tests the performance of four different approaches for clearing or resetting an HTML element's content.
Test Cases
Each test case is defined in the Individual Test Cases
section. There are four test cases:
removeNode()
or similar, which is not a standard JavaScript method for removing an element from the DOM. (More on this later.)Library
None of the test cases explicitly use any external libraries, but they do rely on the document
object and HTML elements, which are part of the Web API.
Special JS Feature or Syntax
Test case 3, remove, is an unusual syntax that does not exist in standard JavaScript. It's possible that this was a typo or an experimental feature that was never intended for production use.
Comparison
The test cases compare the performance of clearing or resetting an HTML element's content using different methods:
innerHTML
: A simple and efficient way to clear the element's content.removeChild
and textContent
: More complex approaches that involve removing child nodes and then setting the textContent property.Pros and Cons
Here are some pros and cons of each approach:
removeChild
and textContent
: Pros: More efficient than innerHTML
for large elements or multiple elements. Cons: More complex, slower, and less widely supported.Other Alternatives
Some alternative approaches that could have been tested include:
innerHTML
property to set a string value, followed by parsing and manipulating the HTML.removeChild()
method or Firefox's textContent
property.Benchmark Results
The latest benchmark results show that:
remove
is not a valid syntax and likely causes errors or crashes in browsers.innerHTML
, removeChild
, and textContent
have different performance characteristics, with remove
being the slowest due to its invalid syntax.