How to get datatype of an Object in Javascript?
42559
(Built-in) way in JavaScript to check if a string is a valid number
132096
How do you check if a JavaScript Object is a DOM Object?
29167
How do I get the type of a value in Scheme?
154989
How can I add a key/value pair to a JavaScript object?
14782
Determining if an Object is of primitive type
98396
How can I get the size of an array, a Collection, or a String in Java?
127094
How can I display a JavaScript object?
127819
How to check whether an object is a date?
54214
Get array of object's keys
88371
dynamic keys for object literals in Javascript
56724
How do I check that a number is float or integer?
119393
Get an object's class name at runtime
23649
How can I access a JavaScript object which has spaces in the object's key?
126196
How to check if an object is an array?
99654
How to get address of a Java Object?
148248
Check if object is Class type
601
How do I test for an empty JavaScript object?