{"adoption": {"forks": 9137, "observed_at": "2026-08-28T04:12:20.727750+00:00", "stars": 66516}, "canonical_url": "https://ross.abutalabs.com/products/33-js-concepts", "card": {"archived": false, "artifact_type": "learning-resource", "description": "📜 33 JavaScript concepts every developer should know.", "domain": ["programming-languages", "tutorials", "web-development", "education"], "enriched": true, "function": ["documentation", "developer-tools"], "health_score": 77, "homepage": "https://33jsconcepts.com/", "language": "JavaScript", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["leonardomso/33-js-concepts"], "name": "leonardomso/33-js-concepts", "platform": ["browser", "cross-platform"], "pushed_at": "2026-08-02T14:51:44+00:00", "repo": "leonardomso/33-js-concepts", "stars": 66516, "tags": ["javascript", "learning-guide", "es6", "interview-prep", "curated-resources", "awesome-list"], "topics": ["javascript", "concepts", "nodejs", "react", "angular", "programming", "javascript-programming", "javascript-closures", "javascript-engines", "primitive-types", "es6", "es6-javascript", "hacktoberfest"], "urls": [], "use_cases": ["learn javascript fundamentals from scratch", "prepare for javascript technical interviews", "understand closures and the event loop", "fill knowledge gaps as a self-taught developer", "find curated resources for javascript concepts", "learn modern es6+ javascript syntax", "study javascript concepts in a structured learning path"], "what_it_is": "A curated learning guide covering 33 core JavaScript concepts (plus 29 advanced ones) with explanations, code examples, diagrams, and links to articles, videos, and books. It originated as a popular GitHub repository and now also lives as a full documentation website.", "when_to_avoid": ["you need a runnable library, framework, or tool rather than learning material", "you want framework-specific tutorials like React or Angular internals", "you prefer interactive courses with graded exercises over reading and self-practice"], "when_to_choose": ["you want a structured, free path to deeply understand JavaScript rather than just syntax", "you are preparing for technical interviews and need core concepts cold", "you are a beginner or self-taught developer wanting curated articles, videos, and examples per topic"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/33-js-concepts", "repo": "leonardomso/33-js-concepts", "role": "main", "score": 75}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:12:20.727750+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:16:27.955343+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "87dd16e2b0f5ec9f68c9a2be6d43174eea487843666c54b4c399a9e84eb53cac", "fetched_at": "2026-08-28T04:12:20.727750+00:00", "kind": "readme", "missing": false, "url": "https://github.com/leonardomso/33-js-concepts"}, {"content_hash": "367af963fe19c07359b5778d939fee471ec54a465a99d22fc6f0b11378248bbe", "fetched_at": "2026-08-28T17:53:14.313316+00:00", "kind": "homepage", "missing": false, "url": "https://33jsconcepts.com/"}, {"content_hash": "ee303bbe478ab3d15af1e45e24764ca7450e5cf1ae4adcff5af4aada54bf8e82", "fetched_at": "2026-08-28T17:53:14.321805+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/about"}, {"content_hash": "7be084dfec2c2a17f9ed57179634108f2d957f2745ce483027606bc3381f5a78", "fetched_at": "2026-08-28T17:53:14.323582+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/how-to-learn"}, {"content_hash": "b3dfadc14267066f5280e7e093ced8031d81503d8f48573d349c3ff6891a2178", "fetched_at": "2026-08-28T17:53:14.325342+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/prerequisites"}, {"content_hash": "de2a1f96ffced165b057a2e6bf39cc288223b92c3d3b3160f0b8c0c1690953a7", "fetched_at": "2026-08-28T17:53:14.327087+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/getting-started/learning-paths"}, {"content_hash": "16c50aaf8a9acf9dc4e816a61d038e4b15ddb378bf7bf38ee22cf240fd491384", "fetched_at": "2026-08-28T17:53:14.331198+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/beyond/getting-started/overview"}, {"content_hash": "acc0acf2370009b8c7972c9fb113d22370deea2fe7ee96249c937c880d636ccc", "fetched_at": "2026-08-28T17:53:14.328876+00:00", "kind": "site_page", "missing": false, "url": "https://33jsconcepts.com/concepts/modern-js-syntax"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 95, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2920, "days_push": 31, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 75, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}