Reads the next p.length
bytes from the buffer or until the buffer is
drained. Returns the number of bytes read. If the buffer has no data to
return, the return is EOF (null
).
DOM APIs
c
c
I
I
I
T
f
DOM Events
c
c
c
c
c
c
I
I
I
I
I
I
I
I
T
v
v
v
f
f
f
Encoding API
I
I
v
I
I
v
I
v
I
I
v
f
f
Errors
N
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
ES Modules
I
Fetch API
c
unstable
c
I
c
c
I
I
unstable
I
unstable
I
unstable
I
v
I
I
T
T
T
T
T
T
T
T
T
T
T
f
unstable
f
unstable
FFI
c
unstable
c
unstable
c
unstable
c
unstable
I
unstable
I
unstable
I
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
T
unstable
f
unstable
File System
c
c
I
I
I
I
I
I
I
I
I
T
T
f
f
f
f
f
f
f
f
f
unstable
f
unstable
f
f
f
f
f
unstable
f
unstable
f
unstable
f
unstable
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
unstable
f
unstable
f
unstable
f
f
f
f
f
HTTP Server
I
I
I
unstable
I
unstable
I
unstable
T
unstable
f
unstable
f
f
unstable
f
unstable
I/O
c
I
I
I
I
I
I
I
T
unstable
v
v
f
f
unstable
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
unstable
f
f
f
f
E
Network
I
I
I
I
unstable
I
unstable
I
unstable
I
I
unstable
I
I
I
I
unstable
I
I
I
I
unstable
I
I
unstable
I
unstable
I
I
I
I
unstable
T
T
f
unstable
f
unstable
f
unstable
f
unstable
f
f
unstable
f
f
f
Observability
c
I
I
I
I
v
f
unstable
f
f
Performance API
c
I
c
c
c
I
I
T
v
Permissions
c
c
I
I
I
I
I
I
I
I
I
T
T
T
T
v
Runtime Environment
c
I
T
v
v
v
v
v
v
v
v
f
f
f
f
f
f
unstable
f
unstable
f
unstable
f
f
unstable
f
f
unstable
Streams API
c
I
v
I
v
I
I
I
I
I
v
I
I
v
I
I
I
I
I
v
I
I
v
I
I
I
v
I
I
I
v
I
v
I
I
I
I
I
I
v
I
v
I
I
I
I
v
I
T
T
Sub Process
c
unstable
I
I
unstable
f
f
unstable
f
unstable
f
unstable
f
unstable
Testing
I
unstable
I
I
I
f
unstable
f
Timers
f
f
f
unstable
f
unstable
f
f
Typed Arrays
T
Web APIs
c
c
c
c
c
c
c
I
v
I
I
I
I
I
T
v
v
v
v
f
f
f
f
Web Crypto API
I
I
I
I
I
I
I
I
I
v
I
v
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
v
T
T
T
T
T
T
v
Web Sockets
c
c
c
unstable
I
I
I
I
unstable
I
unstable
I
I
unstable
T
f
WebAssembly
N
c
c
c
c
c
c
c
c
I
I
I
I
I
I
T
T
T
T
T
T
T
T
f
f
f
f
f
WebGPU
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
N
unstable
I
unstable
I
I
unstable
I
unstable
I
unstable
I
unstable
I
unstable
I
I
T
unstable
T
unstable
T
unstable
T
unstable
T
T
unstable
T
v