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Questions tagged instanceof

22 questions

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8
votes
1
answers

Why are JavaScript primitives not instanceof Object?

javascript instanceof
asked 2013-07-30T05:05:12.317
78
votes
3
answers

How to "instanceof" a primitive string (string literal) in JavaScript

javascript string instanceof string-literals
asked 2013-05-28T12:26:03.037
12
votes
3
answers

Passing a class as an argument to a method in java

java argument-passing instanceof
asked 2013-02-13T05:18:39.507
8
votes
4
answers

Java instanceof implements/extends

java instanceof
asked 2012-12-07T11:53:38.923
40
votes
7
answers

instanceof check in EL expression language

jsf el instanceof
asked 2012-04-25T10:55:47.850
71
votes
15
answers

How to efficiently check if variable is Array or Object (in NodeJS & V8)?

javascript node.js v8 instanceof typeof
asked 2012-01-12T11:12:43.180
66
votes
5
answers

How to determine if an object is an instance of certain derived C++ class from a pointer to a base class in GDB?

c++ types gdb superclass instanceof
asked 2011-12-16T01:59:45.690
24
votes
4
answers

Does "instanceof Void" always return false?

java generics void instanceof
asked 2011-07-09T18:41:03.613
17
votes
1
answers

What does this instanceof error message mean?

javascript instanceof
asked 2011-05-16T17:47:21.753
12
votes
3
answers

How exactly does Javascript instanceof work? Is it slow style?

javascript inheritance instanceof
asked 2011-05-08T01:22:54.140
10
votes
1
answers

JSF EL: instanceof reserved but not yet implemented?

jsf el instanceof
asked 2011-04-05T09:47:49.247
55
votes
12
answers

Why cast after an instanceOf?

java polymorphism instanceof
asked 2010-11-15T16:12:40.693
16
votes
4
answers

Javascript inheritance - instanceof not working?

javascript oop inheritance instanceof
asked 2010-06-30T00:17:12.330
121
votes
6
answers

How to see if an object is an array without using reflection?

java arrays gwt instanceof
asked 2010-04-27T22:10:59.237
30
votes
6
answers

Java - is there a "subclassof" like instanceof?

java subclass equals instanceof
asked 2010-04-23T15:25:04.287
53
votes
3
answers

What's the difference between isPrototypeOf and instanceof in Javascript?

javascript inheritance prototype instanceof
asked 2010-03-17T17:28:45.487
9
votes
2
answers

Impact of 'instanceof' in Android Java code

android performance garbage-collection dalvik instanceof
asked 2010-02-13T23:10:34.443
19
votes
3
answers

Objective c isKindOfClass missunderstanding?

objective-c instanceof
asked 2010-01-11T22:58:56.430
9
votes
3
answers

OCaml: Type Checking Objects

object ocaml instanceof typechecking
asked 2009-09-15T18:37:11.217
15
votes
4
answers

What is the VB equivalent of Java's instanceof and isInstance()?

java vb.net reflection introspection instanceof
asked 2009-06-16T23:56:39.213
102
votes
8
answers

Is there something like instanceOf(Class<?> c) in Java?

java reflection instanceof
asked 2009-06-04T08:53:55.823
95
votes
5
answers

What is the C# equivalent to Java's isInstance()?

c# reflection introspection instanceof
asked 2008-11-11T23:09:50.523