Benchmark: Multiple Attributes III

HTML Preparation code:

<script src="https://d3js.org/d3.v5.min.js"></script>

Tests:

Default
const data = d3.range(100).map(() => ({ cx: Math.random() * 300, cy: Math.random() * 150 })); const svg = d3.select("body") .append("svg"); const circles = svg.selectAll(null) .data(data) .enter() .append("circle") .attr("cx", d=>d.cx) .attr("cy", d=>d.cy) .attr("r", 2) .style("fill", "teal");
each with setAttribute
const data = d3.range(100).map(() => ({ cx: Math.random() * 300, cy: Math.random() * 150 })); const svg = d3.select("body") .append("svg"); const circles = svg.selectAll(null) .data(data) .enter() .append("circle") .each((d, i, n) => { n[i].setAttribute("cx", d.cx); n[i].setAttribute("cy", d.cy); n[i].setAttribute("r", 2); }) .style("fill", "teal")
setAttribute with loop
const data = d3.range(100).map(() => ({ cx: Math.random() * 300, cy: Math.random() * 150, r: 2 })); const svg = d3.select("body") .append("svg"); const circles = svg.selectAll(null) .data(data) .enter() .append("circle") .each((d, i, n) => { for(let key in d){ n[i].setAttribute(key, d[key]) } }) .style("fill", "teal")
Clone
const data = d3.range(100).map(() => ({ cx: Math.random() * 300, cy: Math.random() * 150, r: 2 })); const svg = d3.select("body") .append("svg").remove(); const circles = svg.selectAll(null) .data(data) .enter() .append("circle") .attr("cx", d => d.cx) .attr("cy", d => d.cy) .attr("r", 2) .style("fill", "teal"); d3.select("body") .append(() => svg.node());

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Default
each with setAttribute
setAttribute with loop
Clone

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.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmark test created on MeasureThat.net. The benchmark tests the performance of different approaches for updating attribute values in SVG elements using D3.js.

**Test Cases**

There are four individual test cases:

1. **Default**: This test case uses the `attr` method to set attribute values directly.
2. **each with setAttribute**: This test case uses the `each` method and `setAttribute` method to update attribute values.
3. **setAttribute with loop**: This test case uses a loop to iterate over attributes and set their values using `setAttribute`.
4. **Clone**: This test case creates a clone of an SVG element before updating its attributes.

**Library and Purpose**

The library used in this benchmark is D3.js (Data-Driven Documents), which is a popular JavaScript library for producing dynamic, interactive data visualizations in web browsers.

D3.js provides various methods for manipulating HTML elements, including `append`, `select`, `attr`, `style`, and `each`. The `d3.select` method is used to select an element in the document and return it as a selection object. The `attr` method sets the value of a specific attribute on a selected element or all matched elements.

**Special JS Features/Syntax**

None are explicitly mentioned, but note that D3.js uses its own syntax for selecting elements and binding data to them.

**Options Compared**

The benchmark compares four different approaches:

1. **Default**: Sets attributes directly using `attr`.
2. **each with setAttribute**: Uses the `each` method and `setAttribute` method to update attribute values.
3. **setAttribute with loop**: Uses a loop to iterate over attributes and set their values using `setAttribute`.
4. **Clone**: Creates a clone of an SVG element before updating its attributes.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **Default (attr)**:
	* Pros: Simple, efficient, and easy to read.
	* Cons: May be slower due to the need for multiple DOM updates.
2. **each with setAttribute**:
	* Pros: More concise than using `attr` in a loop.
	* Cons: May lead to slower performance due to additional DOM updates.
3. **setAttribute with loop**:
	* Pros: Allows explicit control over attribute updating.
	* Cons: Can be slower and less readable due to the use of a loop.
4. **Clone**:
	* Pros: Avoids modifying the original element, which can prevent certain behaviors or interactions.
	* Cons: Creates an additional DOM node, which may lead to performance issues.

**Other Considerations**

When choosing an approach, consider the following factors:

* Readability and maintainability
* Performance impact on the browser
* Ability to handle large datasets
* Compatibility with different browsers

By understanding the pros and cons of each approach, developers can make informed decisions about which method to use in their own code.

Related benchmarks:

Multiple Attributes III (version: 0)

Comparing performance of: Default vs each with setAttribute vs setAttribute with loop vs Clone

Created: 6 years ago by: Guest

Jump to the latest result

Default

each with setAttribute

setAttribute with loop

Clone

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):