--- title: Best Kirupa posts — October 2024 | daily.dev description: The most upvoted Kirupa posts from October 2024, curated by the daily.dev community. canonical: https://daily.dev/sources/kirupa/best-of/2024/10 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/kirupa/best-of/2024/10 og:type: website og:site_name: daily.dev og:title: Best Kirupa posts — October 2024 | daily.dev og:description: The most upvoted Kirupa posts from October 2024, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Kirupa — October 2024 1. 1 [](https://daily.dev/posts/two-dimensional-2d-arrays-in-javascript-oaldlo19m "Two-Dimensional (2D) Arrays in JavaScript") Article Kirupa · 2y Two-Dimensional (2D) Arrays in JavaScript Two-dimensional (2D) arrays in JavaScript are arrays made up of other arrays, allowing for storage of complex, tabular data. Key concepts include creating 2D arrays manually or programmatically, accessing elements using row and column indices, representing data in either row-centric or column-centric formats, and visualizing 2D arrays using console.table for better readability. 126 3 [See all Kirupa archives](/sources/kirupa/best-of) ```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":"CollectionPage","@id":"https://daily.dev/sources/kirupa/best-of/2024/10#page","url":"https://daily.dev/sources/kirupa/best-of/2024/10","name":"Best Kirupa Posts — October 2024","description":"The most upvoted Kirupa posts from October 2024, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/kirupa/best-of/2024/10#items","numberOfItems":1,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/two-dimensional-2d-arrays-in-javascript-oaldlo19m","name":"Two-Dimensional (2D) Arrays in JavaScript"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"Kirupa","item":"https://daily.dev/sources/kirupa"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/kirupa/best-of"},{"@type":"ListItem","position":5,"name":"October 2024"}]}]} ```