var x=Date.now();
new Text(x)
document.createTextNode(x)
new Text(x)
document.createTextNode(x)
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
new Text | |
createTextNode | |
new Text 2 | |
createTextNode 2 |
Test name | Executions per second |
---|---|
new Text | 4245326.0 Ops/sec |
createTextNode | 3176054.8 Ops/sec |
new Text 2 | 4190237.8 Ops/sec |
createTextNode 2 | 3164510.0 Ops/sec |
The provided benchmark tests the performance of different methods of creating text nodes in a web document using JavaScript. It specifically compares two primary approaches:
Using the Text
constructor:
new Text(x)
: This method creates a new Text
node directly using the Text
constructor, which is part of the DOM (Document Object Model). It takes a string as an argument and represents a text content node that can be added to the document.Using the document.createTextNode
method:
document.createTextNode(x)
: This method is a more traditional way of creating a text node in the DOM. It also takes a string argument and produces a text node object. It has been available since early versions of the DOM and is widely used in web development.new Text
:new Text
:Text
constructor, older browsers may not, which could affect the backward compatibility of applications that are not strictly modern.document.createTextNode
.document.createTextNode
:document.createTextNode
:Text
constructor, leading to slightly less readable code.The benchmark results show the number of executions per second for each test case, indicating the performance of each approach in creating text nodes. Here are the results:
new Text
: 4,245,326 executions/secondnew Text 2
: 4,190,237.75 executions/secondcreateTextNode
: 3,176,054.75 executions/secondcreateTextNode 2
: 3,164,510 executions/secondFrom the results, it is evident that using new Text
is significantly faster than using document.createTextNode
, demonstrating a potential performance benefit when using the Text
constructor.
When deciding between these two methods, consider the browser support required for your application. If you are targeting modern browsers exclusively, using new Text
could be beneficial due to its higher performance. However, if you need to support older browsers or maintain compatibility across diverse environments, document.createTextNode
may be the better option.
Additionally, depending on the context (e.g., creating a large number of text nodes in a loop), the performance differences could become more pronounced or have more significant implications in terms of application responsiveness and user experience. Always profile performance in the context of your specific application for the best outcomes.