for browser console funsies

timewave.js

/** in an era of public availability of source code, is explicit credit still necessary? */

//codegolf.stackexchange.com/a/79490/69502
continuous_fraction = f = (n,d) => n%d ? [r=(n/d)|0,...f(d,n-r*d)] : [n/d]


fill = (ch,n) => Array(n).fill(ch).join('')
bars = n => console.debug(fill('|', Math.abs(n)), n, fill(' ', Math.pow(Math.random(),-2)|0))

interval = 
setInterval(() => 
    requestAnimationFrame(() => {
        now = new Date
        a = ~now
        b = ~~now
        indices = continuous_fraction(+now, b)
//         console.log(+now, b, a, b+a, indices)
        indices.slice(1).forEach(bars)
    })
, 10)

max = 20
cheapo_limiter =
setInterval(() => !--max ? 
    [interval, cheapo_limiter]
        .map(clearInterval) : 0, 1e3)