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<HTML><HEAD> <META NAME="keywords" CONTENT="electronic commerce, ecommerce, ebusiness, e-business, e-commerce, enterprise software, net economy, Netscape, Sun Microsystems, Sun-Netscape Alliance, iPlanet, internet software"> <META NAME="description" CONTENT="The Sun-Netscape Alliance, a strategic alliance formed by America Online and Sun Microsystems, Inc., is delivering iPlanet e-commerce software and enterprise solutions that enable companies to compete successfully in the Net Economy"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=ISO-8859-1"> <META NAME="TEMPLATEBASE" CONTENT="Authored in FrameMaker. Converted to HTML in WebWorks Publisher 2000. manual wdt 1.5"> <META NAME="LASTUPDATED" CONTENT="09/28/00 13:16:31"> <TITLE> Core JavaScript Reference 1.5: </TITLE></HEAD><BODY TEXT="#000000" LINK="#666699" VLINK="#666699" ALINK="#333366" BGCOLOR="#FFFFFF"><MAINCONTENT><NAVIGATIONCONTENT> <TABLE WIDTH="100%" BORDER="0" CELLSPACING="4"> <TR> <TD VALIGN="TOP"> <b><a href="deprecat.html"><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Previous</a></FONT> </b><a href="contents.html"><b><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Contents</a></FONT></b> </TD> </TR> <TR> <TD VALIGN="TOP" ALIGN="RIGHT" BGCOLOR="#CCCCCC"> <B><FONT FACE="Arial, Helvetica, sans-serif" COLOR="#000000" SIZE="2"> Core JavaScript Reference 1.5</FONT></B> </TD> </TR> <TR> </TABLE> <BR><BR><TABLE BORDER=0 CELLPADDING=4 CELLSPACING=0><TR><FONT FACE="Arial, Helvetica, sans-serif" SIZE="1" COLOR="BLACK"><B><TD> </TD><TD><A HREF="#SYMBOLS">Symbols</A></TD><TD><A HREF="#A">A</A></TD><TD><A HREF="#B">B</A></TD><TD><A HREF="#C">C</A></TD><TD><A HREF="#D">D</A></TD><TD><A HREF="#E">E</A></TD><TD><A HREF="#F">F</A></TD><TD><A HREF="#G">G</A></TD><TD><A HREF="#H">H</A></TD><TD><A HREF="#I">I</A></TD><TD><A HREF="#J">J</A></TD><TD><A HREF="#K">K</A></TD><TD><A HREF="#L">L</A></TD><TD><A HREF="#M">M</A></TD><TD><A HREF="#N">N</A></TD><TD><A HREF="#O">O</A></TD><TD><A HREF="#P">P</A></TD><TD><A HREF="#Q">Q</A></TD><TD><A HREF="#R">R</A></TD><TD><A HREF="#S">S</A></TD><TD><A HREF="#T">T</A></TD><TD><A HREF="#U">U</A></TD><TD><A HREF="#V">V</A></TD><TD><A HREF="#W">W</A></TD><TD><A HREF="#X">X</A></TD><TD><A HREF="#Y">Y</A></TD><TD><A HREF="#Z">Z</A></TD><TD> </TD></TR></B></FONT></TABLE></NAVIGATIONCONTENT><BOOKCONTENT> <BLOCKQUOTE> <A NAME="573"> </A><A NAME=""> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="4" COLOR="#000000"><B><zchaptitlei>Index </zchaptitlei></B></FONT><BR><BR><BR><BR><P><A NAME="IX_Symbols"> </A><A NAME="Symbols"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="4"><B><grouptitlesix>Symbols</grouptitlesix></B></FONT><BR><BR><dl> <DD> <A NAME="179084"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>- (bitwise NOT) operator <a href="ops.html#1042474">1</a></zindex1></FONT> <DD> <A NAME="179086"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>- (unary negation) operator <a href="ops.html#1042430">1</a></zindex1></FONT> <DD> <A NAME="179088"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>-- (decrement) operator <a href="ops.html#1042421">1</a></zindex1></FONT> <DD> <A NAME="179090"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>! (logical NOT) operator <a href="ops.html#1062688">1</a></zindex1></FONT> <DD> <A NAME="179092"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>!= (not equal) operator <a href="ops.html#1043882">1</a>, <a href="ops.html#1050908">2</a></zindex1></FONT> <DD> <A NAME="179095"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>!== (strict not equal) operator <a href="ops.html#1049529">1</a>, <a href="ops.html#1050908">2</a></zindex1></FONT> <DD> <A NAME="179098"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>% (modulus) operator <a href="ops.html#1042403">1</a></zindex1></FONT> <DD> <A NAME="179100"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>%= operator <a href="ops.html#1042309">1</a></zindex1></FONT> <DD> <A NAME="179102"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>&& (logical AND) operator <a href="ops.html#1062682">1</a></zindex1></FONT> <DD> <A NAME="179104"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>& (bitwise AND) operator <a href="ops.html#1042453">1</a></zindex1></FONT> <DD> <A NAME="179106"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>&= operator <a href="ops.html#1042325">1</a></zindex1></FONT> <DD> <A NAME="179108"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>) <a href="lcjsobj.html#1194386">1</a></zindex1></FONT> <DD> <A NAME="179110"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>*/ comment <a href="comment.html#1066617">1</a></zindex1></FONT> <DD> <A NAME="179112"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>*= operator <a href="ops.html#1042301">1</a></zindex1></FONT> <DD> <A NAME="179114"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>+ (string concatenation) operator <a href="ops.html#1042582">1</a></zindex1></FONT> <DD> <A NAME="179116"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>++ (increment) operator <a href="ops.html#1042412">1</a></zindex1></FONT> <DD> <A NAME="179118"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>+= (string concatenation) operator <a href="ops.html#1042582">1</a></zindex1></FONT> <DD> <A NAME="179120"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>+= operator <a href="ops.html#1042293">1</a></zindex1></FONT> <DD> <A NAME="179122"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>/* comment <a href="comment.html#1066617">1</a></zindex1></FONT> <DD> <A NAME="179124"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>// comment <a href="comment.html#1066617">1</a></zindex1></FONT> <DD> <A NAME="179126"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>/= operator <a href="ops.html#1042305">1</a></zindex1></FONT> <DD> <A NAME="179128"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>< (less than) operator <a href="ops.html#1043900">1</a></zindex1></FONT> <DD> <A NAME="179130"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1><< (left shift) operator <a href="ops.html#1042481">1</a>, <a href="ops.html#1042518">2</a></zindex1></FONT> <DD> <A NAME="179133"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1><<= operator <a href="ops.html#1042313">1</a></zindex1></FONT> <DD> <A NAME="179135"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1><= (less than or equal) operator <a href="ops.html#1043906">1</a></zindex1></FONT> <DD> <A NAME="179137"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>== (equal) operator <a href="ops.html#1043876">1</a>, <a href="ops.html#1050908">2</a></zindex1></FONT> <DD> <A NAME="179140"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>=== (strict equal) operator <a href="ops.html#1049523">1</a>, <a href="ops.html#1050908">2</a></zindex1></FONT> <DD> <A NAME="179143"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>-= operator <a href="ops.html#1042297">1</a></zindex1></FONT> <DD> <A NAME="179145"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>> (greater than) operator <a href="ops.html#1043888">1</a></zindex1></FONT> <DD> <A NAME="179147"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>>= (greater than or equal) operator <a href="ops.html#1043894">1</a></zindex1></FONT> <DD> <A NAME="179149"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>>> (sign-propagating right shift) operator <a href="ops.html#1042487">1</a>, <a href="ops.html#1042522">2</a></zindex1></FONT> <DD> <A NAME="179152"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>>>= operator <a href="ops.html#1042317">1</a></zindex1></FONT> <DD> <A NAME="179154"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>>>> (zero-fill right shift) operator <a href="ops.html#1042493">1</a>, <a href="ops.html#1042525">2</a></zindex1></FONT> <DD> <A NAME="179157"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>>>>= operator <a href="ops.html#1042321">1</a></zindex1></FONT> <DD> <A NAME="179159"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>?: (conditional) operator <a href="ops.html#1045406">1</a></zindex1></FONT> <DD> <A NAME="179161"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>^ (bitwise XOR) operator <a href="ops.html#1042467">1</a></zindex1></FONT> <DD> <A NAME="179163"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>^= operator <a href="ops.html#1042329">1</a></zindex1></FONT> <DD> <A NAME="179165"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>| (bitwise OR) operator <a href="ops.html#1042460">1</a></zindex1></FONT> <DD> <A NAME="179167"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>|= operator <a href="ops.html#1042333">1</a></zindex1></FONT> <DD> <A NAME="179169"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>|| (logical OR) operator <a href="ops.html#1062685">1</a></zindex1></FONT> <DD> <A NAME="179171"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1> (comma) operator <a href="ops.html#1045439">1</a></zindex1></FONT></dl><BR><P><A NAME="IX_A"> </A><A NAME="A"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="4"><B><grouptitlesix>A</grouptitlesix></B></FONT><BR><BR><dl> <DD> <A NAME="179176"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>abs method <a href="math.html#1195395">1</a></zindex1></FONT> <DD> <A NAME="179178"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>acos method <a href="math.html#1195429">1</a></zindex1></FONT> <DD> <A NAME="179180"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>anchor method <a href="string.html#1196382">1</a></zindex1></FONT> <DD> <A NAME="179182"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>anchors</zindex1></FONT> <dl> <DD> <A NAME="179183"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>creating <a href="string.html#1196396">1</a></zindex2></FONT> </dl> <DD> <A NAME="179185"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>AND (&&) logical operator <a href="ops.html#1062682">1</a></zindex1></FONT> <DD> <A NAME="179187"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>AND (&) bitwise operator <a href="ops.html#1042453">1</a></zindex1></FONT> <DD> <A NAME="179189"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>anonymous functions <a href="ops.html#1066344">1</a></zindex1></FONT> <DD> <A NAME="179191"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>apply method <a href="function.html#1194017">1</a></zindex1></FONT> <DD> <A NAME="179193"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>arguments array <a href="function.html#1193312">1</a></zindex1></FONT> <DD> <A NAME="179195"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>arithmetic operators <a href="ops.html#1042400">1</a></zindex1></FONT> <dl> <DD> <A NAME="179197"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>% (modulus) <a href="ops.html#1042403">1</a></zindex2></FONT> <DD> <A NAME="179199"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>-- (decrement) <a href="ops.html#1042421">1</a></zindex2></FONT> <DD> <A NAME="179201"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>- (unary negation) <a href="ops.html#1042430">1</a></zindex2></FONT> <DD> <A NAME="179203"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>++ (increment) <a href="ops.html#1042412">1</a></zindex2></FONT> </dl> <DD> <A NAME="179205"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>arity property <a href="function.html#1231596">1</a></zindex1></FONT> <DD> <A NAME="179207"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>Array object <a href="array.html#1193137">1</a></zindex1></FONT> <DD> <A NAME="179209"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex1>arrays</zindex1></FONT> <dl> <DD> <A NAME="179210"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>Array object <a href="array.html#1193137">1</a></zindex2></FONT> <DD> <A NAME="179212"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>creating from strings <a href="string.html#1194454">1</a></zindex2></FONT> <DD> <A NAME="179214"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>deleting elements <a href="ops.html#1045837">1</a></zindex2></FONT> <DD> <A NAME="179216"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>dense <a href="array.html#1217769">1</a></zindex2></FONT> <DD> <A NAME="179218"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>increasing length of <a href="array.html#1193195">1</a></zindex2></FONT> <DD> <A NAME="179220"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>indexing <a href="array.html#1211907">1</a></zindex2></FONT> <DD> <A NAME="179222"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>initial length of <a href="array.html#1204388">1</a>, <a href="array.html#1193251">2</a></zindex2></FONT> <DD> <A NAME="179225"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zindex2>Java <a href="javarray.html#1193137">1</a>⌨️ 快捷键说明
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