Benchmark: createTextNode vs nodeValue

Script Preparation code:

var node = document.createTextNode("test");

Tests:

createTextNode("test")
var node = document.createTextNode("test");
createTextNode("")
var node = document.createTextNode(""); node.nodeValue = "test";
createTextNode(null)
var node = document.createTextNode(null); node.nodeValue = "test";
createTextNode(undefined)
var node = document.createTextNode(undefined); node.nodeValue = "test";

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
createTextNode("test")
createTextNode("")
createTextNode(null)
createTextNode(undefined)

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser/OS: Chrome 130 on Android

View result in a separate tab

createTextNode("test")

2.7M/s

createTextNode("")

2.4M/s

createTextNode(null)

1.7M/s

createTextNode(undefined)

1.4M/s

View exact numbers

Test name	Executions per second
✓ createTextNode("test")	2,689,874 Ops/sec
createTextNode("")	2,397,190 Ops/sec
createTextNode(null)	1,716,131 Ops/sec
createTextNode(undefined)	1,437,680 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

LLMs can make mistakes. Check important info.

The benchmark defined in the provided JSON evaluates different ways to create a text node in the DOM using the `document.createTextNode` method and then setting its `nodeValue`. This test specifically compares the performance of different methods of creating and manipulating these text nodes in JavaScript.

### Options Compared

1. **createTextNode("test")**
   - Directly creates a text node with the value "test".

2. **createTextNode("")**
   - Creates a text node with an empty string and then sets it to "test" by modifying `node.nodeValue`.
   
3. **createTextNode(null)**
   - Creates a text node with the initial value set to `null`, followed by setting the `nodeValue` to "test".

4. **createTextNode(undefined)**
   - Similar to the `null` case, but starts with `undefined`, then sets the `nodeValue` to "test".

### Pros and Cons

- **createTextNode("test")**
  - **Pros**: This method is straightforward and efficient for creating a text node that needs to start with a specific string.
  - **Cons**: None significant in a typical use case unless you are very concerned with performance differences at scale.

- **createTextNode("")**
  - **Pros**: Allows for more flexibility if you might want to change the value later. The creation is still fast for creating an empty node.
  - **Cons**: It involves an additional step of setting the `nodeValue`, which might add overhead, particularly in cases where performance is critical.

- **createTextNode(null)**
  - **Pros**: Utilizes `null` which may indicate a deliberate intention to create an undefined node initially.
  - **Cons**: Some browsers may handle the conversion of `null` to a string differently, which could lead to unpredictable behaviors in certain scenarios.

- **createTextNode(undefined)**
  - **Pros**: Similar to the `null` case; can be useful when you’re initializing a variable whose actual value will be set later.
  - **Cons**: The behavior of `undefined` may not be consistent across browsers and especially when it involves implicitly converting to a string.

### Other Considerations
- The benchmark results indicate that using `createTextNode("test")` is the fastest option, while `createTextNode(undefined)` is the slowest, reflecting the overhead associated with initializing the node's value to `undefined` or `null` before the actual value setting occurs.
  
### Alternatives 
Other possible alternatives to using `document.createTextNode()` could include:

- **InnerHTML**: Instead of creating text nodes manually, using `innerHTML` can dynamically update an entire element, but this approach can be less secure and inefficient for text-only updates due to HTML parsing.
  
- **Text Content and Creating Elements**: Using `element.textContent` to add text directly to an HTML element rather than creating text nodes can sometimes be more concise and may offer performance benefits in more complex DOM manipulation.

- **Template Literals**: For generating HTML content, template literals can be a more readable and concise alternative, especially when coupled with `innerHTML`.

In conclusion, the benchmark effectively showcases the performance characteristics of distinct approaches to text node creation and manipulation, illustrating important considerations for JavaScript developers looking to optimize DOM interactions.

createTextNode vs nodeValue (version: 0)

Comparing performance of: `createTextNode("test") vs createTextNode("") vs createTextNode(null) vs createTextNode(undefined)`

Created: one year ago by: Guest

Go to the latest result

createTextNode("test")

createTextNode("")

createTextNode(null)

createTextNode(undefined)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

createTextNode vs nodeValue (version: 0)

Comparing performance of: createTextNode("test") vs createTextNode("") vs createTextNode(null) vs createTextNode(undefined)

Created: one year ago by: Guest

Go to the latest result

createTextNode("test")

createTextNode("")

createTextNode(null)

createTextNode(undefined)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated one year ago):

Related benchmarks

Comparing performance of: `createTextNode("test") vs createTextNode("") vs createTextNode(null) vs createTextNode(undefined)`