html`
<svg id='container'>
<rect />
<rect />
<rect />
<rect />
<rect />
</svg>
`
{
// wrap SVG element with d3
const svg = d3.select('#container')
// select the first path in the svg selection
// (note: selections can be chained)
const select = svg.select('rect')
// select all the paths in the svg selection
const selectAll = svg.selectAll('rect')
console.log('svg', svg)
console.log('select', select)
console.log('selectAll', selectAll)
// return svg
// return select
return select;
}
{
const el = html`
<svg>
<rect />
<rect />
<rect />
<rect />
</svg>
`
const svg = d3.select(el)
// return svg.select('rect').datum(barData)
// return svg.selectAll('rect').datum(barData)
const boundElement = svg.selectAll('rect').data(barData);
const boundElement2 = svg.selectAll('rect').datum(barData);
const boundElement3 = svg.select('rect').datum(barData);
console.log(`boundElement ===> `, boundElement);
console.log(`boundElement2 ===> `, boundElement2);
console.log(`boundElement3 ===> `, boundElement3);
return boundElement;
}
barData
md `
---
<h3 style="text-align: right">
[Dynamic Data Binding →](https://observablehq.com/@parshwamehta13/dynamic-data-binding)
</h3>
`
One platform to build and deploy the best data apps
Experiment and prototype by building visualizations in live JavaScript notebooks. Collaborate with your team and decide which concepts to build out.
Use Observable Framework to build data apps locally. Use data loaders to build in any language or library, including Python, SQL, and R.
Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.