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conformance · v138

v138 · uint8array-to-from-base64-and-hex — conformance probe

7 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://tc39.es/proposal-arraybuffer-base64/spec/ chromestatus: #6281131254874112 generated 2026-06-01T09:50:00Z by conformance-author-v1-subagent
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pass
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blocked
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id contract kind verdict detail
tobase64-instance-method Uint8Array.prototype.toBase64 is a function. typeof
frombase64-static Uint8Array.fromBase64 is a static function. typeof
tohex-instance-method Uint8Array.prototype.toHex is a function. typeof
fromhex-static Uint8Array.fromHex is a static function. typeof
base64-roundtrip fromBase64(toBase64(arr)) returns an equal Uint8Array. spec ↗ script
hex-roundtrip fromHex(toHex(arr)) returns an equal Uint8Array. spec ↗ script
base64-known-vector toBase64() produces the canonical RFC 4648 encoding (e.g. 'AAEC' for [0,1,2]). spec ↗ script