29:null 2a:["$","title",null,{"children":"JavaScript random code generator | Michael Czechowski | Observable"}] 2f:[] 2d:{"id":"da3c27c27f2835e5","slug":"javascript-random-code-generator","title":"JavaScript random code generator","thumbnail":"82a878878e7afbaa03c9febeecb0bf5636fe86c70a7824e81660d9d4137d38c4","access_level":"public","create_time":"$D2018-04-26T22:09:08.114Z","update_time":"$D2018-04-27T00:36:57.545Z","view_time":null,"first_public_time":"$D2018-04-27T00:18:05.874Z","has_unpublished_edits":null,"fork":false,"stars":2,"starred":false,"owner":{"type":"team","id":"efb03a2abfc435dc","login":"nextlevelshit","name":"Michael Czechowski","avatar_url":"https://avatars-next.observableusercontent.com/0ab491180117ece40407284b0cbf0f672c3225f52d90359efbce06a6d70ff237","tier":"starter_2024"},"version":255,"publish_version":255,"role":null,"authored":false,"authors":[{"type":"individual","id":"0bdf39511a07f400","login":"nextlevelshit","name":"Michael Czechowski","avatar_url":"https://avatars-next.observableusercontent.com/0ab491180117ece40407284b0cbf0f672c3225f52d90359efbce06a6d70ff237","tier":null}],"members":[{"type":"individual","id":"0bdf39511a07f400","login":"nextlevelshit","name":"Michael Czechowski","avatar_url":"https://avatars-next.observableusercontent.com/0ab491180117ece40407284b0cbf0f672c3225f52d90359efbce06a6d70ff237","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":2,"collection":null,"type":"notebook","body":{"title":"JavaScript random code generator","cells":[{"id":0,"value":"md`\n# JavaScript random code generator\n\nThis code snippet genrates randomly valid JavaScript code and pushs its results to an array. If you stay for a little while, you will see the list of valid expressions increase. Play around with the range to adjust the approximated length of the new expressions or change the collection of valid characters.\n\n*What could be the next steps to optimize this random code generated?*\n\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":6,"value":"md`## Define a collection of valid characters`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":2,"value":"validCharacters = \"abcdefgahijklmnopqrstuvw,;.:-_+&'|<>()[]{}?!=\"\n//","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":187,"value":"md`## Maximum length of valid expresion: ${validLength}`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":217,"value":"viewof validLength = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":221,"value":"md`## Randomly generated and valid JavaScript expressions`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":9,"value":"{\n const lengthValidCharacters = validCharacters.length;\n const rand = (max) => { return Math.floor(Math.random() * Math.floor(max)) };\n const pickCharacter = () => { return [...validCharacters][rand(lengthValidCharacters)]; };\n \n let validExpressions = [];\n \n const generateExpression = () => {\n let expression = [];\n \n for (let i = 0; i <= rand(validLength); i++) {\n expression = [...expression, pickCharacter()];\n }\n \n try {\n eval(expression.join('').toString());\n validExpressions = [expression.join(''), ...validExpressions];\n } catch (e) {}\n return html`\n

Searching: ${expression.join('')}

\n Valid Expressions:\n

${validExpressions.join('
')}

`;\n };\n \n while(true) {\n yield generateExpression(); \n }\n\n}","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W2f","stdlib":"1","titling":"auto"}} 2e:"$2d:body"