Benchmark: create range - MeasureThat.net

Script Preparation code:

var rng = document.createRange();

Tests:

create range
document.createRange().createContextualFragment('<div></div>')
let
rng.createContextualFragment('<div></div>')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
create range
let

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

Browser/OS: Chrome 96 on Windows

View result in a separate tab

Test name	Executions per second
create range	266880.9 Ops/sec
let	362376.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark data to understand what is being tested.

**What is being tested?**

The benchmark tests two different approaches for creating and manipulating document fragments:

1. `document.createRange().createContextualFragment('<div></div>')`
2. `let rng = document.createRange(); rng createContextualFragment('<div></div>')`

These benchmarks measure the execution speed of these two approaches.

**Options compared:**

The two options being tested are:

* Using `document.createRange()` and then calling `createContextualFragment()` on it.
* Declaring a variable `rng` with type `let` before creating a new range object using `document.createRange()`, and then calling `createContextualFragment()` on it.

**Pros and Cons of each approach:**

1. **Option 1 (using `document.createRange()` directly):**
	* Pros:
		+ More concise code
		+ May be more efficient, as the range object is created and initialized in a single step.
	* Cons:
		+ Less readable, as it's not immediately clear that `createContextualFragment()` is being called on a range object.
2. **Option 2 (using `let` with variable declaration):**
	* Pros:
		+ More readable, as the variable declaration and initialization are separate steps.
		+ May be more maintainable, as the code is more explicit about the purpose of each variable.
	* Cons:
		+ Less concise code
		+ May involve an additional step to create and initialize the range object.

**Other considerations:**

Both approaches use `document.createRange()` and `createContextualFragment()`, which are part of the W3C DOM standard. This ensures that the benchmarks are relevant to the entire web platform, rather than just specific browsers or libraries.

The `let` keyword is a modern JavaScript feature used for variable declaration and scope. Its usage in this benchmark is intended to demonstrate its syntax and semantics.

**Library and special JS features:**

In this benchmark, no external libraries are used. However, it does use the W3C DOM standard (`document.createRange()` and `createContextualFragment()`) and modern JavaScript features (like `let` for variable declaration).

No special JavaScript features or syntax are being tested in these benchmarks.

**Other alternatives:**

If you wanted to run similar benchmarks, you could consider adding more test cases that cover different aspects of document fragment creation and manipulation. Some possibilities:

* Testing with different types of documents (e.g., `document.createElement('div')` vs. `document.createTextNode()`)
* Comparing the performance of different browsers or versions
* Using alternative libraries or frameworks for creating and manipulating document fragments

Keep in mind that the specific test cases and variations will depend on the goals and focus of your benchmarking project.

Related benchmarks:

create range (version: 0)

Comparing performance of: create range vs let

Created: 2 years ago by: Registered User

Jump to the latest result

create range

let

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one month ago):