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Scriptable (Rhino)
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<A HREF="../../../org/mozilla/javascript/Script.html" title="interface in org.mozilla.javascript"><B>PREV CLASS</B></A>
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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org.mozilla.javascript</FONT>
<BR>
Interface Scriptable</H2>
<DL>
<DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../org/mozilla/javascript/Function.html" title="interface in org.mozilla.javascript">Function</A></DD>
</DL>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD>org.mozilla.javascript.BaseFunction, org.mozilla.javascript.Delegator, <A HREF="../../../org/mozilla/javascript/FunctionObject.html" title="class in org.mozilla.javascript">FunctionObject</A>, org.mozilla.javascript.IdScriptableObject, <A HREF="../../../org/mozilla/javascript/ImporterTopLevel.html" title="class in org.mozilla.javascript">ImporterTopLevel</A>, <A HREF="../../../org/mozilla/javascript/ScriptableObject.html" title="class in org.mozilla.javascript">ScriptableObject</A>, <A HREF="../../../org/mozilla/javascript/Synchronizer.html" title="class in org.mozilla.javascript">Synchronizer</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public interface <B>Scriptable</B></DL>
</PRE>
<P>
This is interface that all objects in JavaScript must implement.
The interface provides for the management of properties and for
performing conversions.
<p>
Host system implementors may find it easier to extend the ScriptableObject
class rather than implementing Scriptable when writing host objects.
<p>
There are many static methods defined in ScriptableObject that perform
the multiple calls to the Scriptable interface needed in order to
manipulate properties in prototype chains.
<p>
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Norris Boyd, Nick Thompson, Brendan Eich</DD>
<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/ScriptableObject.html" title="class in org.mozilla.javascript"><CODE>ScriptableObject</CODE></A></DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#NOT_FOUND">NOT_FOUND</A></B></CODE>
<BR>
Value returned from <code>get</code> if the property is not
found.</TD>
</TR>
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<!-- ========== METHOD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#delete(int)">delete</A></B>(int index)</CODE>
<BR>
Removes a property from this object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#delete(java.lang.String)">delete</A></B>(java.lang.String name)</CODE>
<BR>
Removes a property from this object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(int, org.mozilla.javascript.Scriptable)">get</A></B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</CODE>
<BR>
Get a property from the object selected by an integral index.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)">get</A></B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</CODE>
<BR>
Get a named property from the object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#getClassName()">getClassName</A></B>()</CODE>
<BR>
Get the name of the set of objects implemented by this Java class.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#getDefaultValue(java.lang.Class)">getDefaultValue</A></B>(java.lang.Class hint)</CODE>
<BR>
Get the default value of the object with a given hint.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#getIds()">getIds</A></B>()</CODE>
<BR>
Get an array of property ids.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#getParentScope()">getParentScope</A></B>()</CODE>
<BR>
Get the parent scope of the object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#getPrototype()">getPrototype</A></B>()</CODE>
<BR>
Get the prototype of the object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#has(int, org.mozilla.javascript.Scriptable)">has</A></B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</CODE>
<BR>
Indicates whether or not an indexed property is defined in an object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#has(java.lang.String, org.mozilla.javascript.Scriptable)">has</A></B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</CODE>
<BR>
Indicates whether or not a named property is defined in an object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#hasInstance(org.mozilla.javascript.Scriptable)">hasInstance</A></B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> instance)</CODE>
<BR>
The instanceof operator.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#put(int, org.mozilla.javascript.Scriptable, java.lang.Object)">put</A></B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start,
java.lang.Object value)</CODE>
<BR>
Sets an indexed property in this object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#put(java.lang.String, org.mozilla.javascript.Scriptable, java.lang.Object)">put</A></B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start,
java.lang.Object value)</CODE>
<BR>
Sets a named property in this object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#setParentScope(org.mozilla.javascript.Scriptable)">setParentScope</A></B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> parent)</CODE>
<BR>
Set the parent scope of the object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Scriptable.html#setPrototype(org.mozilla.javascript.Scriptable)">setPrototype</A></B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> prototype)</CODE>
<BR>
Set the prototype of the object.</TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="NOT_FOUND"><!-- --></A><H3>
NOT_FOUND</H3>
<PRE>
static final java.lang.Object <B>NOT_FOUND</B></PRE>
<DL>
<DD>Value returned from <code>get</code> if the property is not
found.
<P>
<DL>
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="getClassName()"><!-- --></A><H3>
getClassName</H3>
<PRE>
java.lang.String <B>getClassName</B>()</PRE>
<DL>
<DD>Get the name of the set of objects implemented by this Java class.
This corresponds to the [[Class]] operation in ECMA and is used
by Object.prototype.toString() in ECMA.<p>
See ECMA 8.6.2 and 15.2.4.2.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="get(java.lang.String, org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
get</H3>
<PRE>
java.lang.Object <B>get</B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</PRE>
<DL>
<DD>Get a named property from the object.
Looks property up in this object and returns the associated value
if found. Returns NOT_FOUND if not found.
Note that this method is not expected to traverse the prototype
chain. This is different from the ECMA [[Get]] operation.
Depending on the property selector, the runtime will call
this method or the form of <code>get</code> that takes an
integer:
<table>
<tr><th>JavaScript code</th><th>Java code</th></tr>
<tr><td>a.b </td><td>a.get("b", a)</td></tr>
<tr><td>a["foo"] </td><td>a.get("foo", a)</td></tr>
<tr><td>a[3] </td><td>a.get(3, a)</td></tr>
<tr><td>a["3"] </td><td>a.get(3, a)</td></tr>
<tr><td>a[3.0] </td><td>a.get(3, a)</td></tr>
<tr><td>a["3.0"] </td><td>a.get("3.0", a)</td></tr>
<tr><td>a[1.1] </td><td>a.get("1.1", a)</td></tr>
<tr><td>a[-4] </td><td>a.get(-4, a)</td></tr>
</table>
<p>
The values that may be returned are limited to the following:
<UL>
<LI>java.lang.Boolean objects</LI>
<LI>java.lang.String objects</LI>
<LI>java.lang.Number objects</LI>
<LI>org.mozilla.javascript.Scriptable objects</LI>
<LI>null</LI>
<LI>The value returned by Context.getUndefinedValue()</LI>
<LI>NOT_FOUND</LI>
</UL>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the property<DD><CODE>start</CODE> - the object in which the lookup began
<DT><B>Returns:</B><DD>the value of the property (may be null), or NOT_FOUND<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Context.html#getUndefinedValue()"><CODE>Context.getUndefinedValue()</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="get(int, org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
get</H3>
<PRE>
java.lang.Object <B>get</B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</PRE>
<DL>
<DD>Get a property from the object selected by an integral index.
Identical to <code>get(String, Scriptable)</code> except that
an integral index is used to select the property.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the numeric index for the property<DD><CODE>start</CODE> - the object in which the lookup began
<DT><B>Returns:</B><DD>the value of the property (may be null), or NOT_FOUND<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)"><CODE>get(String,Scriptable)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="has(java.lang.String, org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
has</H3>
<PRE>
boolean <B>has</B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</PRE>
<DL>
<DD>Indicates whether or not a named property is defined in an object.
Does not traverse the prototype chain.<p>
The property is specified by a String name
as defined for the <code>get</code> method.<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the property<DD><CODE>start</CODE> - the object in which the lookup began
<DT><B>Returns:</B><DD>true if and only if the named property is found in the object<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)"><CODE>get(String, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#getProperty(org.mozilla.javascript.Scriptable, java.lang.String)"><CODE>ScriptableObject.getProperty(Scriptable, String)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="has(int, org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
has</H3>
<PRE>
boolean <B>has</B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start)</PRE>
<DL>
<DD>Indicates whether or not an indexed property is defined in an object.
Does not traverse the prototype chain.<p>
The property is specified by an integral index
as defined for the <code>get</code> method.<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the numeric index for the property<DD><CODE>start</CODE> - the object in which the lookup began
<DT><B>Returns:</B><DD>true if and only if the indexed property is found in the object<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(int, org.mozilla.javascript.Scriptable)"><CODE>get(int, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#getProperty(org.mozilla.javascript.Scriptable, int)"><CODE>ScriptableObject.getProperty(Scriptable, int)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="put(java.lang.String, org.mozilla.javascript.Scriptable, java.lang.Object)"><!-- --></A><H3>
put</H3>
<PRE>
void <B>put</B>(java.lang.String name,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start,
java.lang.Object value)</PRE>
<DL>
<DD>Sets a named property in this object.
<p>
The property is specified by a string name
as defined for <code>get</code>.
<p>
The possible values that may be passed in are as defined for
<code>get</code>. A class that implements this method may choose
to ignore calls to set certain properties, in which case those
properties are effectively read-only.<p>
For properties defined in a prototype chain,
use <code>putProperty</code> in ScriptableObject. <p>
Note that if a property <i>a</i> is defined in the prototype <i>p</i>
of an object <i>o</i>, then evaluating <code>o.a = 23</code> will cause
<code>set</code> to be called on the prototype <i>p</i> with
<i>o</i> as the <i>start</i> parameter.
To preserve JavaScript semantics, it is the Scriptable
object's responsibility to modify <i>o</i>. <p>
This design allows properties to be defined in prototypes and implemented
in terms of getters and setters of Java values without consuming slots
in each instance.<p>
<p>
The values that may be set are limited to the following:
<UL>
<LI>java.lang.Boolean objects</LI>
<LI>java.lang.String objects</LI>
<LI>java.lang.Number objects</LI>
<LI>org.mozilla.javascript.Scriptable objects</LI>
<LI>null</LI>
<LI>The value returned by Context.getUndefinedValue()</LI>
</UL><p>
Arbitrary Java objects may be wrapped in a Scriptable by first calling
<code>Context.toObject</code>. This allows the property of a JavaScript
object to contain an arbitrary Java object as a value.<p>
Note that <code>has</code> will be called by the runtime first before
<code>set</code> is called to determine in which object the
property is defined.
Note that this method is not expected to traverse the prototype chain,
which is different from the ECMA [[Put]] operation.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the property<DD><CODE>start</CODE> - the object whose property is being set<DD><CODE>value</CODE> - value to set the property to<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#has(java.lang.String, org.mozilla.javascript.Scriptable)"><CODE>has(String, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)"><CODE>get(String, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#putProperty(org.mozilla.javascript.Scriptable, java.lang.String, java.lang.Object)"><CODE>ScriptableObject.putProperty(Scriptable, String, Object)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/Context.html#toObject(java.lang.Object, org.mozilla.javascript.Scriptable)"><CODE>Context.toObject(Object, Scriptable)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="put(int, org.mozilla.javascript.Scriptable, java.lang.Object)"><!-- --></A><H3>
put</H3>
<PRE>
void <B>put</B>(int index,
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> start,
java.lang.Object value)</PRE>
<DL>
<DD>Sets an indexed property in this object.
<p>
The property is specified by an integral index
as defined for <code>get</code>.<p>
Identical to <code>put(String, Scriptable, Object)</code> except that
an integral index is used to select the property.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the numeric index for the property<DD><CODE>start</CODE> - the object whose property is being set<DD><CODE>value</CODE> - value to set the property to<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#has(int, org.mozilla.javascript.Scriptable)"><CODE>has(int, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/Scriptable.html#get(int, org.mozilla.javascript.Scriptable)"><CODE>get(int, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#putProperty(org.mozilla.javascript.Scriptable, int, java.lang.Object)"><CODE>ScriptableObject.putProperty(Scriptable, int, Object)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/Context.html#toObject(java.lang.Object, org.mozilla.javascript.Scriptable)"><CODE>Context.toObject(Object, Scriptable)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="delete(java.lang.String)"><!-- --></A><H3>
delete</H3>
<PRE>
void <B>delete</B>(java.lang.String name)</PRE>
<DL>
<DD>Removes a property from this object.
This operation corresponds to the ECMA [[Delete]] except that
the no result is returned. The runtime will guarantee that this
method is called only if the property exists. After this method
is called, the runtime will call Scriptable.has to see if the
property has been removed in order to determine the boolean
result of the delete operator as defined by ECMA 11.4.1.
<p>
A property can be made permanent by ignoring calls to remove
it.<p>
The property is specified by a String name
as defined for <code>get</code>.
<p>
To delete properties defined in a prototype chain,
see deleteProperty in ScriptableObject.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the identifier for the property<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)"><CODE>get(String, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#deleteProperty(org.mozilla.javascript.Scriptable, java.lang.String)"><CODE>ScriptableObject.deleteProperty(Scriptable, String)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="delete(int)"><!-- --></A><H3>
delete</H3>
<PRE>
void <B>delete</B>(int index)</PRE>
<DL>
<DD>Removes a property from this object.
The property is specified by an integral index
as defined for <code>get</code>.
<p>
To delete properties defined in a prototype chain,
see deleteProperty in ScriptableObject.
Identical to <code>delete(String)</code> except that
an integral index is used to select the property.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the numeric index for the property<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html#get(int, org.mozilla.javascript.Scriptable)"><CODE>get(int, Scriptable)</CODE></A>,
<A HREF="../../../org/mozilla/javascript/ScriptableObject.html#deleteProperty(org.mozilla.javascript.Scriptable, int)"><CODE>ScriptableObject.deleteProperty(Scriptable, int)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="getPrototype()"><!-- --></A><H3>
getPrototype</H3>
<PRE>
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> <B>getPrototype</B>()</PRE>
<DL>
<DD>Get the prototype of the object.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the prototype</DL>
</DD>
</DL>
<HR>
<A NAME="setPrototype(org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
setPrototype</H3>
<PRE>
void <B>setPrototype</B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> prototype)</PRE>
<DL>
<DD>Set the prototype of the object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>prototype</CODE> - the prototype to set</DL>
</DD>
</DL>
<HR>
<A NAME="getParentScope()"><!-- --></A><H3>
getParentScope</H3>
<PRE>
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> <B>getParentScope</B>()</PRE>
<DL>
<DD>Get the parent scope of the object.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the parent scope</DL>
</DD>
</DL>
<HR>
<A NAME="setParentScope(org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
setParentScope</H3>
<PRE>
void <B>setParentScope</B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> parent)</PRE>
<DL>
<DD>Set the parent scope of the object.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - the parent scope to set</DL>
</DD>
</DL>
<HR>
<A NAME="getIds()"><!-- --></A><H3>
getIds</H3>
<PRE>
java.lang.Object[] <B>getIds</B>()</PRE>
<DL>
<DD>Get an array of property ids.
Not all property ids need be returned. Those properties
whose ids are not returned are considered non-enumerable.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>an array of Objects. Each entry in the array is either
a java.lang.String or a java.lang.Number</DL>
</DD>
</DL>
<HR>
<A NAME="getDefaultValue(java.lang.Class)"><!-- --></A><H3>
getDefaultValue</H3>
<PRE>
java.lang.Object <B>getDefaultValue</B>(java.lang.Class hint)</PRE>
<DL>
<DD>Get the default value of the object with a given hint.
The hints are String.class for type String, Number.class for type
Number, Scriptable.class for type Object, and Boolean.class for
type Boolean. <p>
A <code>hint</code> of null means "no hint".
See ECMA 8.6.2.6.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>hint</CODE> - the type hint
<DT><B>Returns:</B><DD>the default value</DL>
</DD>
</DL>
<HR>
<A NAME="hasInstance(org.mozilla.javascript.Scriptable)"><!-- --></A><H3>
hasInstance</H3>
<PRE>
boolean <B>hasInstance</B>(<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> instance)</PRE>
<DL>
<DD>The instanceof operator.
<p>
The JavaScript code "lhs instanceof rhs" causes rhs.hasInstance(lhs) to
be called.
<p>
The return value is implementation dependent so that embedded host objects can
return an appropriate value. See the JS 1.3 language documentation for more
detail.
<p>This operator corresponds to the proposed EMCA [[HasInstance]] operator.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - The value that appeared on the LHS of the instanceof
operator
<DT><B>Returns:</B><DD>an implementation dependent value</DL>
</DD>
</DL>
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