← back to v140 · uint8array-to-from-base64-and-hex

conformance · v140

v140 · uint8array-to-from-base64-and-hex — conformance probe

8 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 2026-06-02T00:00:00Z by codex-showcase-run
0
pass
0
fail
0
blocked
8
total
id contract kind verdict detail
uint8array-tobase64-method Uint8Array.prototype.toBase64 is exposed as the native byte-to-base64 encoder. spec ↗ typeof
uint8array-frombase64-method Uint8Array.fromBase64 is exposed as the native base64-to-byte decoder. spec ↗ typeof
uint8array-tohex-method Uint8Array.prototype.toHex is exposed as the native byte-to-hex encoder. spec ↗ typeof
uint8array-fromhex-method Uint8Array.fromHex is exposed as the native hex-to-byte decoder. spec ↗ typeof
base64-roundtrip-standard-alphabet Bytes round-trip through standard base64 with the default alphabet and padding behavior. spec ↗ script
base64url-alphabet-option The alphabet option supports URL-safe base64 encoding and decoding. spec ↗ script
hex-roundtrip-lowercase Bytes round-trip through lowercase hexadecimal strings. spec ↗ script
setfrombase64-read-written-counts Uint8Array.prototype.setFromBase64 decodes into an existing buffer and reports read/written counters. spec ↗ script