The end-to-end solution for building and hosting better data apps, dashboards, and reports.
length = 100 // try changing this number and running the cell with shift-enter
height = 60 // or change this one, a cell can depend on lots of other cells
html`<div style="width: ${length}px; height: ${height}px; background-color: blue;"></div>`
`the width is ${length} and the height is ${height}` // note a cell can be referenced from multiple cells too!
sliderThatDoesNothing = html`<input type="range" min="0" max="${width}" value="50"></input>`
viewof greenLength = html`<input type="range" min="0" max="800" value="50"></input>`
html`<div style="width: ${greenLength}px; height: ${height}px; background-color: green;"></div>`
greenLength + " pixels wide"
greenLength % 2 === 0 ? "A nice even length." : "What an odd length!"
viewof simple = slider()
simple
viewof money = slider({
min: 0,
max: 1e9,
step: 1000,
value: 3250000,
format: ",",
description:
"Zero to one billion, in steps of one thousand, formatted as a (US) number"
})
money
viewof range = rangeSlider({
min: 0,
max: 200,
value: [50, 150],
precision: 0, // how many decimal places
title: 'Ranges of numbers between 0 and 200',
})
range
viewof coordinates = worldMapCoordinates([-122.27, 37.87])
coordinates
counterGenerator = function*() {
let i = 0;
while (true) {
yield i++;
}
}
counterGenerator()
i = {
let i = 0;
while (true) {
yield i;
i+= 3;
if (i > 800) {
i = 0;
}
}
}
html`<div style="width: ${i}px; height: 60px; background-color: green;"></div>`
viewof keyframe = Scrubber(keyframes, {
format: ([date]) => formatDate(date),
delay: duration,
loop: false
})
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.
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Seamlessly deploy to Observable. Test before you ship, use automatic deploy-on-commit, and ensure your projects are always up-to-date.