[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] UA UART UCS-2 ISO 10646-1 glyph encoding UDP 2nd 3rd 4th 5th 6th 7th 8th 9th UDP-based UDP/IP UHTTP 2nd UL UMID 2nd basic clip content unit Extended Unauthorized operation unbound Xlets Undefined 2nd undefined Undefined 2nd 3rd 4th 5th 6th 7th 8th 9th 10th undefined value underflow unexpired certificates unicast unicast router unicast routing Unicode Unicode 2.0 specification Unicode character Unicode character sets Unicode characters Unicode escape sequence Unicode Normalized Form C 2nd Unicode scalar value Unidirectional HTTP Unidirectional HTTP (UHTTP) Uniform Resource Identifier (URI) Uniform Resource Identifiers (URI) Uniform Resource Location (URL) Uniform Resource Locators (URL) Uniform Resource Name (URN) Uniform Resources Identifiers (URIs) Universal Asynchronous Receiver/Transmitter (UART) Universal Material IDentifier (UMID) Universal Resource Identifier (URI) Universally Unique ID (UUID) unordered collection of properties unshift() untrusted applications Uploaded DCM URI 2nd 3rd 4th 5th URI normalization URL 2nd 3rd 4th 5th url(...) 2nd URN USB User Agent (UA) User Datagram Protocol (UDP) 2nd user input facilities user-selectable content Using !important to override style preferences UTC 2nd 3rd 4th UTF-16 UTF-8 UUID 2nd 3rd 4th 5th uuid UUID Hardware component Random component Timestamp Component |