Benchmark: document querySelector

HTML Preparation code:

<div>
    <main>
        <nav>
            <b>
                <small>
                    <p id="A" class="idx">12345</p>
                </small>
            </b>
        </nav>
    </main>
</div>

Script Preparation code:

var X = 0;

Tests:

1
document.querySelector("div>main>nav>b>small>p").textContent = ++X;
2
document.querySelector(".idx").textContent = ++X;
3
A.textContent = ++X;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
2
3

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser/OS: Chrome 123 on Windows

View result in a separate tab

344K/s

273K/s

239K/s

View exact numbers

Test name	Executions per second
✓ 2	343,780 Ops/sec
1	273,423 Ops/sec
3	239,068 Ops/sec

document querySelector (version: 0) Benchmark.js

Comparing performance of: `1 vs 2 vs 3`

Created: 2 years ago by: Guest

Go to the latest result

1

2

3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

document querySelector (version: 0) Benchmark.js

Comparing performance of: 1 vs 2 vs 3

Created: 2 years ago by: Guest

Go to the latest result

1

2

3

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `1 vs 2 vs 3`