Is object empty?
601
How do I test for an empty JavaScript object?
41685
Can I "fill" an empty object?
95037
Object/subject question
36223
why $.isEmptyObject($('#id-does-not-exist-on-page')) returns false?
6988
How to check whether an array is empty using PHP?
141744
How to create an empty per object in selection?
54143
Why is the default value of the string type null instead of an empty string?
40674
What is the difference between null and undefined in JavaScript?
67597
Can constructor return a null object?
28379
How do I check to see if a text file is empty or does not exist in c++?
119009
What is an empty interface used for
125502
Empty set literal?
124831
What is considered an object?
2146
object==null or null==object?
143867
Why do I get an empty object when a function is invoked in node.js?
86719
How to check if file is empty or it has only blank characters?
27583
Determine if object is integer