The end-to-end solution for building and hosting better data apps, dashboards, and reports.
data = d3.csv("https://gist.githubusercontent.com/mbostock/ddc6d50c313ebe6edb45519f43358c6c/raw/c443ed14c34c5c1b544949a546dd9d0acd05bad3/temperatures.csv")
data.map(d => +d.Year)
Promises
Promises.delay(3000, "Hello, world!")
{
let i = 0;
while (true) {
yield Promises.tick(1000, ++i);
}
}
{
let promise = Promises.delay(3000, "Hello, ");
return promise + "world!"; // 💥 Oops!
}
{
let greeting = await Promises.delay(3000, "Hello, ");
return greeting + "world!";
}
Promises.delay(3000, "Hello, ").then(greeting => greeting + "world!")
d3 = require("d3-fetch@1")
new Promise((resolve, reject) => {
setTimeout(() => {
resolve("Time’s up!");
}, 5000);
})
new Promise((resolve, reject) => {
setTimeout(() => {
reject(new Error("😱"))
}, 1000);
}).catch(e => "caught the error! " + e.message)
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.
