Benchmark: Javascript closest method vs closestParent prototype function - nick

HTML Preparation code:

  <div class="1" id="one">
            <div class="2">
                <div class="3">
                    <div class="4">
                        <div class="5">
                            <div class="5">
                                <div class="6">
                                    <div class="7">
                                        <div class="8">
                                            <div class="9">
                                                <div class="10">
                                                    <div class="11">
                                                        <div class="12">
                                                            <div class="13">
                                                                <div class="14">
                                                                    <div class="15">
                                                                        <div class="16" id="helloWorld">
                                                                            <div class="17">
                                                
                                                                            </div>
                                                                        </div>
                                                                    </div>
                                                                </div>
                                                            </div>
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

Script Preparation code:

var class17 = document.getElementsByClassName("17");

Tests:

closest method
class17[0].closest("#one");
closest method 2
class17[0].closest("#nope");

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
closest method
closest method 2

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (iPhone14,3; U; CPU iPhone OS 15_0 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Mobile/19A346 Safari/602.1

Browser/OS: Mobile Safari 10 on iOS 15.0

View result in a separate tab

Test name	Executions per second
123456'//and//DBMS_PIPE.RECEIVE_MESSAGE('g',2)='g	123456.0 Ops/sec
123456	123456.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided benchmark is designed to compare the performance of two approaches for finding the closest parent element in HTML using JavaScript. The test is specifically targeting Safari 10 on iOS devices.

**Closest Method vs ClosestParent Prototype Function**

Two individual test cases are defined:

1. `closest method`: This test case calls the `closest` method on the first element of the `class17` array, passing a string `"#one"` as an argument.
2. `closest method 2`: This test case is similar to the previous one but passes a string `"#nope"` instead.

**Options Compared**

Two options are being compared:

A. **Closest Method**: This approach uses a native JavaScript method to find the closest parent element by iterating through the DOM tree.
B. **ClosestParent Prototype Function**: This approach is likely using a custom implementation of the `closestParent` function, which might be more efficient or optimized for specific use cases.

**Pros and Cons**

A. **Closest Method**:

Pros:

* Wide support across modern browsers
* Easy to implement and understand

Cons:

* Can be slower due to the overhead of iterating through the DOM tree
* May not perform as well on very deeply nested HTML structures

B. **ClosestParent Prototype Function**:

Pros:

* Potentially faster execution speed due to optimized implementation
* May handle specific edge cases or performance-critical scenarios better

Cons:

* Less widely supported across browsers (only tested in Safari 10)
* Custom implementation might be harder to understand and debug

**Library Used**

No libraries are explicitly mentioned in the benchmark definition, but it's possible that the `closestParent` function is a custom implementation built on top of existing libraries or frameworks.

**Special JS Feature or Syntax**

There doesn't appear to be any special JavaScript features or syntax being used beyond standard DOM manipulation and string manipulation (e.g., concatenation).

**Alternatives**

Other alternatives for finding the closest parent element include:

* Using CSS selectors with `:closest` pseudo-class
* Implementing a recursive function to traverse the DOM tree
* Utilizing a library like jQuery's `.closest()` method

However, these alternatives might not be specifically optimized or tailored for the Safari 10 and iOS 15.0 platform being tested in this benchmark.

Related benchmarks:

Javascript closest method vs closestParent prototype function - nick (version: 0)

Comparing performance of: closest method vs closest method 2

Created: one year ago by: Guest

Jump to the latest result

closest method

closest method 2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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