Benchmark: setAttribute vs direct vs []

HTML Preparation code:

<textbox id="text"></textbox>

AخA
 
<textbox id="text"></textbox>

Tests:

setAttribute
var element = document.getElementById("text"); var i = 10000; while (i--) { element.setAttribute("value", i); }
var element = document.getElementById("text");
var i = 10000;
while (i--) {
element.setAttribute("value", i);
}

direct

var element = document.getElementById("text");
var i = 10000;
while (i--) {
	element.value = i;
}

 
var element = document.getElementById("text");var i = 10000;while (i--) {    element.value = i;}

[]

var element = document.getElementById("text");
var i = 10000;
while (i--) {
	element["value"] = i;
}

 
var element = document.getElementById("text");var i = 10000;while (i--) {    element["value"] = i;}

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

Memory measurements supported only in Chrome.
For precise memory measurements Chrome must be launched with --enable-precise-memory-info flag.
More information: Monitoring JavaScript Memory

Test case name	Result
setAttribute
direct
[]

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser/OS: Chrome 134 on Windows

View result in a separate tab

Test name	Executions per second
setAttribute	562.4 Ops/sec
direct	287973.0 Ops/sec
[]	289110.4 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

Let's break down the benchmark and explain what's being tested.

Benchmark Purpose: The benchmark measures the performance of three different approaches to setting the value of an HTML input element:

setAttribute
Direct assignment (element.value = i)
Property access with square brackets (element["value"] = i)

Options Comparison:

setAttribute: This method uses the setAttribute method to set the value attribute of the input element. It takes two arguments: the attribute name and the value.
Direct Assignment: This method assigns the value directly to the value property of the input element.
Property Access with Square Brackets: This method accesses the value property of the input element using square brackets ([]). The syntax is element["value"] = i.

Pros and Cons:

setAttribute:
- Pros: Can be used to set any attribute on an element, not just the value.
- Cons: May be slower due to the method call overhead.
Direct Assignment: Fastest way to set a property directly on an object.
Property Access with Square Brackets: Similar to direct assignment, but may incur additional overhead due to the bracket notation.

Library and Syntax: None of the options require any external libraries or special JavaScript features. They are all basic syntax for working with HTML elements in JavaScript.

Other Considerations:

In modern browsers, the value property is a setter function that calls the setAttribute method internally. This means that direct assignment (element.value = i) may be equivalent to setAttribute in terms of performance.
Property access with square brackets (element["value"] = i) can be slower due to the overhead of resolving the bracket notation.

Benchmark Results: The benchmark results show that:

Direct assignment (element.value = i) is the fastest approach, followed closely by property access with square brackets (element["value"] = i).
setAttribute is the slowest approach.

Keep in mind that these results may vary depending on the specific browser, version, and hardware configuration.

LLMs can make mistakes. Check important info.

Let's break down the benchmark and explain what's being tested.

**Benchmark Purpose:**
The benchmark measures the performance of three different approaches to setting the value of an HTML input element:

1. `setAttribute`
2. Direct assignment (`element.value = i`)
3. Property access with square brackets (`element["value"] = i`)

**Options Comparison:**

* **`setAttribute`**: This method uses the `setAttribute` method to set the value attribute of the input element. It takes two arguments: the attribute name and the value.
* **Direct Assignment**: This method assigns the value directly to the `value` property of the input element.
* **Property Access with Square Brackets**: This method accesses the `value` property of the input element using square brackets (`[]`). The syntax is `element["value"] = i`.

**Pros and Cons:**

* **`setAttribute`**:
	+ Pros: Can be used to set any attribute on an element, not just the value.
	+ Cons: May be slower due to the method call overhead.
* **Direct Assignment**: Fastest way to set a property directly on an object.
* **Property Access with Square Brackets**: Similar to direct assignment, but may incur additional overhead due to the bracket notation.

**Library and Syntax:**
None of the options require any external libraries or special JavaScript features. They are all basic syntax for working with HTML elements in JavaScript.

**Other Considerations:**

* In modern browsers, the `value` property is a setter function that calls the `setAttribute` method internally. This means that direct assignment (`element.value = i`) may be equivalent to `setAttribute` in terms of performance.
* Property access with square brackets (`element["value"] = i`) can be slower due to the overhead of resolving the bracket notation.

**Benchmark Results:**
The benchmark results show that:

* Direct assignment (`element.value = i`) is the fastest approach, followed closely by property access with square brackets (`element["value"] = i`).
* `setAttribute` is the slowest approach.

Keep in mind that these results may vary depending on the specific browser, version, and hardware configuration.

Related benchmarks:

setAttribute vs direct vs [] (version: 0)

Comparing performance of: setAttribute vs direct vs []

Created: one year ago by: Guest

Jump to the latest result

setAttribute