[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] background style properties and values backgroundImage property backspace (\b) backward-compatible text validation functions Base64, encoding and decoding base64.js library base64Encode( ) function <basehref> tag batch validation 2nd blankFrame( ) function blockEvent( ) function blockEvents( ) function 2nd blocking double clicks blockIt( ) function body content, removing body content, replacing dynamically bookmark values (TextRange) bookmarklets <br> tag compared to newline character branching execution break statement bringing windows to front browsers backwards-compatibility and versioning brand detection early versions browser detection object detection, using browser-specific linking carriage return codings compatibility ratings cookie storage by cookies, enabled/disabled status, testing CSS, implementation Date object compatibility detecting written language error handling, older versions evolution feature detection feature-specific linking frames, managing [See frames] global variables, setting history, keeping pages out of Internet Explorer [See Internet Explorer] multiple versions, testing on Netscape [See Netscape Navigator] nonscriptable masking scripts from number formatting, older versions page design strategies script support, determining level of windows, managing [See windows] button property possible values button-type input element |