--- title: Advanced JavaScript Functions to Improve Code Quality description: Learn advanced JavaScript functions to improve code quality, including Debounce, Throttle, Once, Memoize, Curry, Partial, Pipe, Compose, Pick, Omit, and Zip.... canonical: https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Advanced JavaScript Functions to Improve Code Quality | daily.dev og:description: Learn advanced JavaScript functions to improve code quality, including Debounce, Throttle, Once, Memoize, Curry, Partial, Pipe, Compose, Pick, Omit, and Zip.... og:url: https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl og:image: https://api.daily.dev/og/posts/5oG1Ralxl.png og:image:alt: Advanced JavaScript Functions to Improve Code Quality 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. # Advanced JavaScript Functions to Improve Code Quality **[Community Picks](https://daily.dev/sources/community)** · [@paulknulst](https://daily.dev/paulknulst) · 13 min read · 491 upvotes · 64 comments ## Summary Learn advanced JavaScript functions to improve code quality, including Debounce, Throttle, Once, Memoize, Curry, Partial, Pipe, Compose, Pick, Omit, and Zip. Boost your performance and make your code more beautiful. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@ddotdevboss** · 7 upvotes > These javasscript functions really helped me in my code. If not allowed to use a framewwork or you need to know how certain functions work you should read it. > > Also, if I found this earlier I had some advantages in my job interviews because I was asked about debounce, throttle, once, and compose mechanic. **@salahit5** · 3 upvotes > thank u so much bro im new but i did bookmarke it and ill have a look when i get better with function thx **@devhammed** · 3 upvotes > The `omit` can be made better by compressing the filter into the reduce and skip the extra loop: > > ```js > function omit(obj, keys) { > return Object.keys(obj) > .reduce((acc, key) => { > if (!keys.includes(key)) { > acc[key] = obj[key]; > } > > return acc; > }, {}); > } > ``` **@bonaogeto** · 2 upvotes > Awesome **@felipfr** · 1 upvotes > Great! ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#javascript](https://daily.dev/tags/javascript), [#performance](https://daily.dev/tags/performance) [View this post on daily.dev](https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl) ```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":"Advanced JavaScript Functions to Improve Code Quality","url":"https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl"},"datePublished":"2023-02-04T08:55:22.209Z","dateModified":"2024-04-09T16:29:20.374Z","description":"Learn advanced JavaScript functions to improve code quality, including Debounce, Throttle, Once, Memoize, Curry, Partial, Pipe, Compose, Pick, Omit, and Zip....","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b960bd92269b6c1d4eb0b86bab4e433b?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b960bd92269b6c1d4eb0b86bab4e433b?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Community Picks","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":"Person","name":"Paul Knulst","url":"https://daily.dev/paulknulst","image":"https://media.daily.dev/image/upload/v1672701369/avatars/avatar_LiNa14VYxhh0VuZWrO4Ns.jpg","description":"I'm a husband, dad, lifelong learner, tech lover, and Senior Engineer working as a Tech Lead. I write about projects and challenges in IT.","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":5140}},"commentCount":64,"discussionUrl":"https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":491},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":64}],"keywords":"javascript,performance","timeRequired":"PT13M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Community Picks","item":"https://daily.dev/sources/community"},{"@type":"ListItem","position":3,"name":"Advanced JavaScript Functions to Improve Code Quality"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/advanced-javascript-functions-to-improve-code-quality-5og1ralxl","comment":[{"@type":"Comment","text":"These javasscript functions really helped me in my code. If not allowed to use a framewwork or you need to know how certain functions work you should read it.\nAlso, if I found this earlier I had some advantages in my job interviews because I was asked about debounce, throttle, once, and compose mechanic.","datePublished":"2023-02-04T08:57:56.939Z","url":"https://daily.dev/posts/5oG1Ralxl#c-Lg-jV9sLb","author":{"@type":"Person","name":"D.","url":"https://daily.dev/ddotdevboss","image":"https://media.daily.dev/image/upload/v1675504742/avatars/avatar_44A968eMaIlRLzR8Q9utC.jpg"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":7}},{"@type":"Comment","text":"thank u so much bro im new but i did bookmarke it and ill have a look when i get better with function thx","datePublished":"2023-02-05T08:58:05.741Z","url":"https://daily.dev/posts/5oG1Ralxl#c-CltBcT023","author":{"@type":"Person","name":"iSalah-YT","url":"https://daily.dev/salahit5","image":"https://lh3.googleusercontent.com/a/ALm5wu0ja-58yf4LzzSXuDNgOQlkxu1hyAA139o84YFu1w=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"The omit can be made better by compressing the filter into the reduce and skip the extra loop:\nfunction omit(obj, keys) {\n return Object.keys(obj)\n .reduce((acc, key) => {\n if (!keys.includes(key)) {\n acc[key] = obj[key];\n }\n\n return acc;\n }, {});\n}","datePublished":"2023-02-05T19:25:19.059Z","url":"https://daily.dev/posts/5oG1Ralxl#c-abX1H92Lj","author":{"@type":"Person","name":"Hammed Oyedele","url":"https://daily.dev/devhammed","image":"https://lh3.googleusercontent.com/a/AEdFTp4aSOAJVo6Uz1XzvMlT2Idc2_Y69pw5Uhv_2EnNZ7Q=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"Awesome","datePublished":"2023-02-04T19:48:22.074Z","url":"https://daily.dev/posts/5oG1Ralxl#c-iNEeROoVw","author":{"@type":"Person","name":"Bonaventure Ogeto","url":"https://daily.dev/bonaogeto","image":"https://avatars.githubusercontent.com/u/39027629?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}},{"@type":"Comment","text":"Great!","datePublished":"2023-02-04T14:21:12.956Z","url":"https://daily.dev/posts/5oG1Ralxl#c-_B240BBDo","author":{"@type":"Person","name":"Felipe Rodrigues","url":"https://daily.dev/felipfr","image":"https://avatars.githubusercontent.com/u/99354371?v=4"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```