Visiting Research at NYU Shanghai; previously @ Nest, Apple, AOL; faculty @ Olin College, NYU Shanghai.
min = Math.min
max = Math.max
// test for long lists
max(...Array(25600).fill(0), 1) === 1
sum = xs => xs.reduce((acc, x) => acc + x, 0)
sum([1, 2, 3]) === 6
clamp = (value, low, high) => Math.min(high, Math.max(low, value))
map = (value, start0, end0, start1, end1, clampResult) => {
let result = (value - start0) * (end1 - start1) / (end0-start0) + end1;
return clampResult ? clamp(result) : result
}
random = {
return function r(n) {
return Array.isArray(n)
? n[Math.floor(r(n.length))]
: n === undefined
? Math.random()
: n * Math.random();
};
}
random(['a', 'b', 'c'])
random()
random(10)
random(10, 20)
md`## range`
function* range(a, b) {
if (b === undefined) [a, b] = [0, a];
for (let i = Math.floor(a); i < b; i++) {
yield i;
}
}
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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.
