Benchmark: js - title vs getAttribute vs hasAttribute /well2

HTML Preparation code:

<div id="test">element</div>

Script Preparation code:

var el = document.getElementById("test");var x;

Tests:

title
if(el.title){x=0;};
getAttribute
if(el.getAttribute('title')){x=0;};
hasAttribute
if(el.hasAttribute('title')){x=0;};

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
title
getAttribute
hasAttribute

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser/OS: Chrome 126 on Windows

View result in a separate tab

Test name	Executions per second
title	1556312.6 Ops/sec
getAttribute	1020652.8 Ops/sec
hasAttribute	1034426.9 Ops/sec

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark compares three different approaches to check if an element has a title attribute:

1. `title` property (dot notation)
2. `getAttribute('title')`
3. `hasAttribute('title')`

These approaches are being compared in terms of performance, specifically the number of executions per second.

**Options Compared**

The options being compared are:

* Using the `title` property (dot notation) to access the attribute value.
* Using `getAttribute('title')` to dynamically retrieve the attribute value.
* Using `hasAttribute('title')` to check if the element has a title attribute without accessing its value.

**Pros and Cons of Each Approach**

1. **`title` Property (Dot Notation)**:
	* Pros: Fast, simple, and widely supported.
	* Cons: May not work in older browsers that don't support dot notation for attribute access.
2. **`getAttribute('title')`**:
	* Pros: Widely supported across browsers, allows dynamic retrieval of attribute value.
	* Cons: May be slower than using the `title` property directly due to the extra step of getting the attribute value.
3. **`hasAttribute('title')`**:
	* Pros: Fast and efficient, only checks if the attribute exists without accessing its value.
	* Cons: May not work in older browsers that don't support this method.

**Library and Special JS Features**

None of the test cases use any specific library or JavaScript features other than standard DOM methods (e.g., `document.getElementById`, `getAttribute`, `hasAttribute`).

**Test Case Explanations**

The three test cases are simple:

1. `title`: Checks if the element has a title attribute using the `title` property.
2. `getAttribute`: Checks if the element has a title attribute by calling `getAttribute('title')`.
3. `hasAttribute`: Checks if the element has a title attribute by calling `hasAttribute('title')`.

These test cases are designed to measure the performance difference between these three approaches.

**Other Alternatives**

If you're interested in exploring alternative approaches, some other options might include:

* Using a library like jQuery or Lodash to simplify DOM interactions.
* Using modern JavaScript features like destructuring assignment or `?.` nullish coalescing operator to make attribute access more concise.
* Implementing a custom attribute access function using Web APIs like `WebStorage` or `IndexedDB`.

However, these alternatives may not be relevant to this specific benchmark, and the performance differences between them might be negligible.

Related benchmarks:

js - title vs getAttribute vs hasAttribute /well2 (version: 0)

Comparing performance of: title vs getAttribute vs hasAttribute

Created: one year ago by: Guest

Jump to the latest result

title

getAttribute

hasAttribute

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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