31:T857,{ const input = data2; const inputStr = (data2.round ? data2.roundtype + "(" : "") + "Math.random()" + data2.opa + data2.va + (data2.round ? ")" : "") + data2.opb + data2.vb + data2.opc + data2.vc; const pd = padding; let numbers = [] for(var i = 0; i < 1000; i++){ numbers.push(eval(inputStr)) } const ext = d3.extent(numbers); const scale = d3.scaleLinear() .domain(ext) .range([0, width - 2*pd]) return formize2(html`

If I type in




  

(Math.random()

)

I get randomly distributed numbers between (approximately)

${[0,1].map(i => `

${ext[i]}

`).join('

and

')}

`) }32:[] 2f:{"title":"That is so Math.random()!!!","cells":[{"id":0,"value":"md`# That is _so_ Math.random()!!!`","pinned":false,"hidden":false,"mode":"ojs"},{"id":6,"value":"md`A widget to spare you from endless trial and error trying to remember what \\`Math.random()\\` formulation you need to get the right range.`","pinned":false,"hidden":false,"mode":"ojs"},{"id":141,"value":"$31","pinned":false,"hidden":false,"mode":"ojs"},{"id":11,"value":"formize(html`

\nIf I want numbers randomly distributed between\n

\n

\n ${[0,1].map(i => `

\n \n

`).join('

and

')}\n

\n
\nI should type:\n

\n${getCode(...data)}\n

`)","pinned":false,"hidden":false,"mode":"ojs"},{"id":76,"value":"function formize(el){\n el.addEventListener('change', e => {\n const i = +e.target.name.split('-')[1];\n const nextData = [...data];\n const value = +e.target.value;\n nextData[i] = i === 0\n ? Math.min(nextData[1], value)\n : Math.max(nextData[0], value);\n mutable data = nextData;\n })\n return el;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":237,"value":"function formize2(el){\n el.addEventListener('change', e => {\n let { name, value, checked } = e.target;\n if (name === \"va\" || name === \"vb\") {\n value = +value\n } else if (name === \"round\") {\n value = checked\n }\n mutable data2 = {\n ...data2,\n [name]: value\n };\n })\n return el;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":101,"value":"function getCode(min, max){\n /*\n * for more see https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range/1527820\n */\n if (min === 0 && max === 1) {\n return \"Math.random()\"\n } else {\n const c = 0 - min\n const a = (max - min)\n return \"Math.random()\" +\n (a === 1 \n ? \"\"\n : a > 1 \n ? \" * \" + a \n : \" / \" + 1/a) + \n (c === 0\n ? \"\"\n : c > 0 \n ? \" - \"+c\n : \" + \"+Math.abs(c))\n }\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":83,"value":"mutable data = [0, 1]","pinned":false,"hidden":false,"mode":"ojs"},{"id":152,"value":"mutable data2 = {\n return {\n round: false,\n roundtype: \"Math.round\",\n opa: \"*\",\n opb: \"/\",\n opc: \"+\",\n va: 1,\n vb: 1,\n vc: 0,\n }\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":204,"value":"padding = 20","pinned":false,"hidden":false,"mode":"ojs"},{"id":196,"value":"width = 600","pinned":false,"hidden":false,"mode":"ojs"},{"id":14,"value":"html``","pinned":false,"hidden":false,"mode":"ojs"},{"id":189,"value":"d3 = require('d3')","pinned":false,"hidden":false,"mode":"ojs"},{"id":335,"value":"html`Created at

. Visit us online, @2nfo, and @2ngrams.`","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}