{"id":8294,"date":"2026-01-14T18:48:24","date_gmt":"2026-01-14T23:48:24","guid":{"rendered":"https:\/\/frontendmasters.com\/blog\/?p=8294"},"modified":"2026-01-14T18:48:25","modified_gmt":"2026-01-14T23:48:25","slug":"javascript-engines-zoo","status":"publish","type":"post","link":"https:\/\/frontendmasters.com\/blog\/javascript-engines-zoo\/","title":{"rendered":"JavaScript Engines Zoo"},"content":{"rendered":"\n<p><a href=\"https:\/\/zoo.js.org\/\">Holy cow there are a lot of JavaScript engines.<\/a> These are the big ones like V8 that Chrome uses or JavaScriptCore that Safari uses, but also purposefully lightweight engines like <a href=\"https:\/\/bellard.org\/quickjs\/\">QuickJS<\/a> for &#8220;embedding&#8221;. <\/p>\n\n\n\n<p>(I&#8217;m also just realizing that domains like this, <code>zoo.js.org<\/code>, anybody can have because js.org is literally for JavaScript-based projects and you can subdomain off it. There are <a href=\"https:\/\/github.com\/js-org\/js.org\/pulls?q=is:pr+is:closed+is:merged\">tons of them<\/a>, like <a href=\"https:\/\/risingstars.js.org\/2025\/en\">rising stars<\/a>). <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Holy cow there are a lot of JavaScript engines. These are the big ones like V8 that Chrome uses or JavaScriptCore that Safari uses, but also purposefully lightweight engines like QuickJS for &#8220;embedding&#8221;. (I&#8217;m also just realizing that domains like this, zoo.js.org, anybody can have because js.org is literally for JavaScript-based projects and you can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"sig_custom_text":"","sig_image_type":"featured-image","sig_custom_image":0,"sig_is_disabled":false,"inline_featured_image":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[3,437],"class_list":["post-8294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-beat","tag-javascript","tag-javascript-engines"],"acf":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/frontendmasters.com\/blog\/wp-content\/uploads\/2026\/01\/pexels-photo-1680214.jpeg?fit=1880%2C1253&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/8294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/comments?post=8294"}],"version-history":[{"count":1,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/8294\/revisions"}],"predecessor-version":[{"id":8296,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/posts\/8294\/revisions\/8296"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/media\/8295"}],"wp:attachment":[{"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/media?parent=8294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/categories?post=8294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frontendmasters.com\/blog\/wp-json\/wp\/v2\/tags?post=8294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}