<P><ul><A NAME="1196834"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B>  <li></B><zsmartlist1>For the built-in <FONT FACE="courier, couriernew, monospaced size">Boolean</FONT> object, <FONT FACE="courier, couriernew, monospaced size">toSource</FONT> returns the following string indicating that the source code is not available:</zsmartlist1></FONT><P><A NAME="1196835"></A><FONT FACE="courier, couriernew, monospaced size" SIZE="2"><zcodeline>&nbsp;&nbsp;&nbsp;function Boolean() {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[native code]<br>&nbsp;&nbsp;&nbsp;}</zcodeline></FONT><P><A NAME="1196836"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B>  <li></B><zsmartlist1>For instances of <FONT FACE="courier, couriernew, monospaced size">Boolean</FONT>, <FONT FACE="courier, couriernew, monospaced size">toSource</FONT> returns a string representing the source code.</zsmartlist1></FONT><P></ul><A NAME="1196837"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>This method is usually called internally by JavaScript and not explicitly in code.</zparagraph></FONT><P><BR><A NAME="1193451"> </A><A NAME="See also"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>See also</zrefheader></B></FONT><BR><A NAME="1193455"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph><A HREF="object.html#1193320"  >Object.toSource</A></zparagraph></FONT><P><BR><P><A NAME="1193269"> </A><A NAME="toString"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="4"><B><zrefhead2>toString</zrefhead2></B></FONT><P><A NAME="1193282"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>Returns a string representing the specified Boolean object.<BR><P><TABLE WIDTH="90%" BORDER="1" CELLPADDING="5" CELLSPACING="0">  <CAPTION></CAPTION><P><FONT FACE=""><B></B></FONT><BR><BR>  <TR>    <TD VALIGN=TOP><P><A NAME="1193272"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>Method of</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1193277"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><A HREF="boolean.html#1193137"  >Boolean</A></ztabletext></FONT>&nbsp;</TD>  </TR>  <TR>    <TD VALIGN=TOP><P><A NAME="1193279"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>Implemented in</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1193281"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext>JavaScript 1.1, NES 2.0</ztabletext></FONT>&nbsp;</TD>  </TR>  <TR>    <TD VALIGN=TOP><P><A NAME="1194021"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>ECMA version</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1194023"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext>ECMA-262</ztabletext></FONT>&nbsp;</TD>  </TR></TABLE><P> </zparagraph></FONT><P><BR><A NAME="1193283"> </A><A NAME="Syntax"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Syntax</zrefheader></B></FONT><BR><A NAME="1193284"></A><FONT FACE="courier, couriernew, monospaced size" SIZE="2"><zcodeline>toString()</zcodeline></FONT><P><BR><A NAME="1193285"> </A><A NAME="Parameters"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Parameters</zrefheader></B></FONT><BR><A NAME="1193286"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>None.</zparagraph></FONT><P><BR><A NAME="1193287"> </A><A NAME="Description"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Description</zrefheader></B></FONT><BR><A NAME="1196996"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>The <A HREF="boolean.html#1193137"  >Boolean</A> object overrides the <FONT FACE="courier, couriernew, monospaced size">toString</FONT> method of the <A HREF="object.html#1193136"  >Object</A> object; it does not inherit <A HREF="object.html#1193350"  >Object.toString</A>. For <A HREF="boolean.html#1193137"  >Boolean</A> objects, the <FONT FACE="courier, couriernew, monospaced size">toString</FONT> method returns a string representation of the object.</zparagraph></FONT><P><A NAME="1194618"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>JavaScript calls the <FONT FACE="courier, couriernew, monospaced size">toString</FONT> method automatically when a Boolean is to be represented as a text value or when a Boolean is referred to in a string concatenation.</zparagraph></FONT><P><A NAME="1193293"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>For <A HREF="boolean.html#1193137"  >Boolean</A> objects and values, the built-in <FONT FACE="courier, couriernew, monospaced size">toString</FONT> method returns the string <FONT FACE="courier, couriernew, monospaced size">"true"</FONT> or <FONT FACE="courier, couriernew, monospaced size">"false"</FONT> depending on the value of the boolean object. In the following code, <FONT FACE="courier, couriernew, monospaced size">flag.toString</FONT> returns <FONT FACE="courier, couriernew, monospaced size">"true"</FONT>.</zparagraph></FONT><P><A NAME="1193294"></A><FONT FACE="courier, couriernew, monospaced size" SIZE="2"><zcodeline>var flag = new Boolean(true)<br>var myVar=flag.toString()</zcodeline></FONT><P><BR><A NAME="1194731"> </A><A NAME="See also"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>See also</zrefheader></B></FONT><BR><A NAME="1195082"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph><A HREF="object.html#1193350"  >Object.toString</A></zparagraph></FONT><P><BR><P><A NAME="1195085"> </A><A NAME="valueOf"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="4"><B><zrefhead2>valueOf</zrefhead2></B></FONT><P><A NAME="1195102"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>Returns the primitive value of a Boolean object.<BR><P><TABLE WIDTH="90%" BORDER="1" CELLPADDING="5" CELLSPACING="0">  <CAPTION></CAPTION><P><FONT FACE=""><B></B></FONT><BR><BR>  <TR>    <TD VALIGN=TOP><P><A NAME="1195088"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>Method of</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1195093"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><A HREF="boolean.html#1193137"  >Boolean</A></ztabletext></FONT>&nbsp;</TD>  </TR>  <TR>    <TD VALIGN=TOP><P><A NAME="1195095"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>Implemented in</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1195097"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext>JavaScript 1.1</ztabletext></FONT>&nbsp;</TD>  </TR>  <TR>    <TD VALIGN=TOP><P><A NAME="1195099"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext><I>ECMA version</I></ztabletext></FONT>&nbsp;</TD>    <TD VALIGN=TOP><P><A NAME="1195101"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><ztabletext>ECMA-262</ztabletext></FONT>&nbsp;</TD>  </TR></TABLE><P></zparagraph></FONT><P><BR><A NAME="1194668"> </A><A NAME="Syntax"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Syntax</zrefheader></B></FONT><BR><A NAME="1194669"></A><FONT FACE="courier, couriernew, monospaced size" SIZE="2"><zcodeline>valueOf()</zcodeline></FONT><P><BR><A NAME="1194670"> </A><A NAME="Parameters"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Parameters</zrefheader></B></FONT><BR><A NAME="1194671"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>None</zparagraph></FONT><P><BR><A NAME="1194742"> </A><A NAME="Description"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Description</zrefheader></B></FONT><BR><A NAME="1194749"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>The <FONT FACE="courier, couriernew, monospaced size">valueOf</FONT> method of <A HREF="boolean.html#1193137"  >Boolean</A> returns the primitive value of a Boolean object or literal Boolean as a Boolean data type.</zparagraph></FONT><P><A NAME="1194788"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph>This method is usually called internally by JavaScript and not explicitly in code.</zparagraph></FONT><P><BR><A NAME="1194796"> </A><A NAME="Examples"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>Examples</zrefheader></B></FONT><BR><A NAME="1195413"></A><FONT FACE="courier, couriernew, monospaced size" SIZE="2"><zcodeline>x = new Boolean();<br>myVar=x.valueOf()&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//assigns false to myVar</zcodeline></FONT><P><BR><A NAME="1195414"> </A><A NAME="See also"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><B><zrefheader>See also</zrefheader></B></FONT><BR><A NAME="1194706"> </A><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2"><zparagraph><A HREF="object.html#1193540"  >Object.valueOf</A></zparagraph></FONT><P>   </BLOCKQUOTE></BOOKCONTENT><FOOTERCONTENT>   <BLOCKQUOTE> <BR>            <b><a href="array.html"><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Previous</a></FONT>&nbsp;&nbsp;&nbsp;&nbsp;</b><a href="contents.html"><b><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Contents</a></FONT></b>&nbsp;&nbsp;&nbsp;&nbsp;<a href="ix.html"><b><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Index</a></FONT></b>&nbsp;&nbsp;&nbsp;&nbsp;<a href="date.html"><b><FONT FACE="Arial, Helvetica, sans-serif" SIZE="2" COLOR="#993300">Next</a></FONT></b>&nbsp;&nbsp;&nbsp;&nbsp;        <HR NOSHADE SIZE="1">   <font face="Arial, Helvetica, sans-serif" SIZE="1">Copyright &#169; 2000 <a href="http://www.netscape.com">Netscape Communications Corp.</a> All rights reserved.</FONT>   </BLOCKQUOTE>   <FONT FACE="Arial, Helvetica, sans-serif" SIZE="1">   <P ALIGN="RIGHT">Last Updated <B>September 28, 2000</B>   </FONT>   <BR></FOOTERCONTENT></MAINCONTENT></BODY></HTML>