--- title: 3 rules to keeping your code healthy! | daily.dev description: Three practical rules for writing cleaner, more readable code through better identifier naming: keep variable names short in local scopes, drop redundant... canonical: https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 3 rules to keeping your code healthy! | daily.dev og:description: Three practical rules for writing cleaner, more readable code through better identifier naming: keep variable names short in local scopes, drop redundant... og:url: https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido og:image: https://api.daily.dev/og/posts/Vy5a2AIdO.png og:image:alt: 3 rules to keeping your code healthy! og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 3 rules to keeping your code healthy! **[Google for Developers](https://daily.dev/sources/googledevelopers)** · 1 min read · 0 upvotes · 0 comments ## Summary Three practical rules for writing cleaner, more readable code through better identifier naming: keep variable names short in local scopes, drop redundant context (e.g., avoid user.username inside a user class), and avoid encoding types in variable names since modern editors already infer them. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- [View this post on daily.dev](https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"3 rules to keeping your code healthy!","url":"https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido"},"datePublished":"2026-06-10T23:18:49.463Z","dateModified":"2026-06-10T23:19:03.806Z","description":"Three practical rules for writing cleaner, more readable code through better identifier naming: keep variable names short in local scopes, drop redundant...","image":"https://i.ytimg.com/vi/soY0UdjNOog/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/soY0UdjNOog/sddefault.jpg","isAccessibleForFree":true,"articleSection":"Google for Developers","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Google for Developers","logo":"https://media.daily.dev/image/upload/s--jj3nxRoG--/f_auto/v1725035497/logos/googledevelopers","url":"https://daily.dev/sources/googledevelopers"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/3-rules-to-keeping-your-code-healthy--vy5a2aido","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"","timeRequired":"PT1M","video":{"@type":"VideoObject","name":"3 rules to keeping your code healthy!","description":"Three practical rules for writing cleaner, more readable code through better identifier naming: keep variable names short in local scopes, drop redundant...","thumbnailUrl":"https://i.ytimg.com/vi/soY0UdjNOog/sddefault.jpg","uploadDate":"2026-06-10T23:18:49.463Z","duration":"PT1M","url":"https://api.daily.dev/r/Vy5a2AIdO","embedUrl":"https://www.youtube.com/embed/soY0UdjNOog"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Google for Developers","item":"https://daily.dev/sources/googledevelopers"},{"@type":"ListItem","position":3,"name":"3 rules to keeping your code healthy!"}]} ```