Benchmark: parentElement vs closestParent function

HTML Preparation code:

        <div class="1">
            <div class="2">
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Script Preparation code:

var class17 = document.getElementsByClassName("17");
Object.prototype.closestParent = function(tag, multi) {
    var el=this.parentNode; var newTag = tag.slice(1); var g = 0; 
    if(tag[0] === "."){while(el && g < multi){if(el.className !== newTag){g++;el=el.parentNode;}else{return el;}}}
    if(tag[0] === "#"){while(el && g < multi){if(el.id !== newTag){g++;el=el.parentNode;}else{return el;}}}
};

Tests:

parentElement
for(i=0;i<1000;i++){ console.log(class17[0].parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement); }
closestParent
for(i=0;i<1000;i++){ console.log(class17[0].closestParent(".1", 99)); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
parentElement
closestParent

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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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's being tested, compared options, pros and cons of each approach, library usage, special JavaScript features, and alternatives.

**Benchmark Overview**

The benchmark compares two approaches to find the closest parent element:

1. `parentElement`: a built-in JavaScript method that returns the immediate parent element.
2. `closestParent`: a custom function implemented in the provided script preparation code.

**Options Comparison**

The two options are compared in the individual test cases, which run for 1000 iterations each. The test cases measure the execution time of each option:

1. **`parentElement`**: This method is built-in to JavaScript and uses the DOM API to traverse the element tree.
2. **`closestParent`**: This custom function traverses the DOM tree using a while loop, checking for matching class or ID names.

**Pros and Cons**

**`parentElement`**:

Pros:

* Built-in method: widely supported across browsers
* Optimized for performance by leveraging browser internals

Cons:

* May not work as expected in certain edge cases (e.g., complex DOM structures)
* Limited control over the traversal process

**`closestParent`**:

Pros:

* Customizable: allows fine-grained control over the traversal process
* Can handle more complex DOM structures

Cons:

* Not built-in: may be less efficient than `parentElement`
* May not work across all browsers (especially older ones)

**Library Usage**

The benchmark uses a custom implementation of `closestParent`, which is defined in the script preparation code. This function relies on JavaScript's `Object.prototype` and uses a while loop to traverse the DOM tree.

**Special JavaScript Features**

There are no special JavaScript features mentioned in this benchmark. The focus is on comparing two fundamental approaches to finding closest parent elements.

**Alternatives**

Other alternatives to measure element traversal performance could include:

* Using a library like jQuery, which provides a `closest()` method
* Implementing a recursive function to traverse the DOM tree
* Utilizing Web Workers or other parallel computing techniques to speed up element traversal

However, it's essential to note that these alternatives might not be directly comparable to the built-in `parentElement` and custom `closestParent` methods used in this benchmark.

I hope this explanation helps!

Related benchmarks:

parentElement vs closestParent function (version: 0)

Comparing performance of: parentElement vs closestParent

Created: 5 years ago by: Guest

Jump to the latest result

parentElement

closestParent

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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