Published
Edited
Feb 1, 2018
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10 * 3 * 7
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{
let sum = 0;
for (let i = 0; i <= 130; ++i) {
sum += i;
}
return sum;
}
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color = "rebeccapurple"
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`My favorite color is ${color}.`
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html`<span style="background:yellow;">
My favorite language is <i>JavaScript</i> and <i>Python</i>.
</span>`
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md`My favorite language is *Markdown*.`
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html`My favorite color is <i style="background:${color}; color:white;">${color}</i>.`
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status = new Promise(resolve => {
setTimeout(() => {
resolve({resolved: new Date});
}, 2000);
})
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status
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d3 = require("d3-fetch@1")
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countries = (await d3.tsv("https://unpkg.com/world-atlas@1/world/110m.tsv"))
.sort((a, b) => b.pop_est - a.pop_est) // Sort by descending estimated population.
.slice(0, 10) // Take the top ten.
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i = {
let i = 0;
while (true) {
yield ++i;
}
}
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`The current value of i is ${i/2}.`
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date = {
while (true) {
yield new Promise(resolve => {
setTimeout(() => resolve(new Date), 1000);
});
}
}
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slider = html`<input type=range>`
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sliderValue = Generators.input(slider)
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viewof value = html`<input type=range>`
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value
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import {viewof selection as cars} from "@mbostock/d3-brushable-scatterplot"
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viewof cars
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Purpose-built for displays of data

Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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