Run results for: Multiple Attributes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.4 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 4 years ago

HTML Preparation code:

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

Tests:

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