--- title: 30 seconds of code posts | daily.dev description: 30Seconds is a platform for sharing and discovering quick tips, life hacks, and practical advice on a wide range of topics. Through user submissions and comments, 30Seconds offers insights into productivity tips, wellness advice, cooking hacks, and parenting strategies. Readers can learn something new in just 30 seconds and contribute their own tips and advice to help others improve their lives. canonical: https://daily.dev/sources/30seconds twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/30seconds og:type: website og:site_name: daily.dev og:title: 30 seconds of code posts | daily.dev og:description: 30Seconds is a platform for sharing and discovering quick tips, life hacks, and practical advice on a wide range of topics. Through user submissions and comments, 30Seconds offers insights into productivity tips, wellness advice, cooking hacks, and parenting strategies. Readers can learn something new in just 30 seconds and contribute their own tips and advice to help others improve their lives. og:image: https://api.daily.dev/og/sources/30seconds.png og:image:width: 1200 og:image:height: 630 ---  # 30 seconds of code Follow FollowBlock 30Seconds is a platform for sharing and discovering quick tips, life hacks, and practical advice on a wide range of topics. Through user submissions and comments, 30Seconds offers insights into productivity tips, wellness advice, cooking hacks, and parenting strategies. Readers can learn something new in just 30 seconds and contribute their own tips and advice to help others improve their lives. [Split a JavaScript string into words](/posts/split-a-javascript-string-into-words-6d2wdcyd1)[Join a JavaScript array into a string, with locale-sensitive separators](/posts/join-a-javascript-array-into-a-string-with-locale-sensitive-separators-zqyjk4lnd)[HTML element class manipulation with JavaScript](/posts/html-element-class-manipulation-with-javascript-v4pq3yhub)[Convert between a query string and an object in JavaScript](/posts/convert-between-a-query-string-and-an-object-in-javascript-qkzzez1vn)[Get the nth element of a JavaScript array](/posts/get-the-nth-element-of-a-javascript-array-djgcijmvl)[A common mistake to avoid when stripping a prefix from a string in Python](/posts/a-common-mistake-to-avoid-when-stripping-a-prefix-from-a-string-in-python-ytzeootlj)[What does if \_\_name\_\_ == "\_\_main\_\_" do in Python?](/posts/what-does-if-name-main-do-in-python--fwjqytfnt)[Iterate over a JavaScript object's own properties](/posts/iterate-over-a-javascript-object-s-own-properties-zngvuts0o)[Sort an array of objects in JavaScript](/posts/sort-an-array-of-objects-in-javascript-g4xpvhpm8)[Map a JavaScript array to an object](/posts/map-a-javascript-array-to-an-object-waclnlynb) ## Most upvoted posts from 30 seconds of code ## Best discussed posts from 30 seconds of code ## All posts from 30 seconds of code ```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","@graph":[{"@type":"Organization","@id":"https://daily.dev/sources/30seconds#organization","name":"30 seconds of code","url":"https://daily.dev/sources/30seconds","logo":{"@type":"ImageObject","url":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/197d6538eea141d7a2fb4177234e9d89"},"description":"30Seconds is a platform for sharing and discovering quick tips, life hacks, and practical advice on a wide range of topics. 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