Javascript comparison question (null >= 0)
64884
Why `null >= 0 && null <= 0` but not `null == 0`?
93804
How to check for a Null value in VB.NET
152780
what is the difference between null != object and object!=null
15796
the operation of "=" in javascript
123797
Not equal  != operator on NULL
39781
Why does the is operator return false when given null?
89714
What is the difference between Nullable.HasValue or Nullable != null?
106258
What is the reason that an empty string evaluates to false in Javascript
92894
How does (A == B == C) comparison work in JavaScript?
147409
String.equals versus ==
38780
Checking for null before ToString()
109927
JavaScript null check
60338
Null vs. False vs. 0 in PHP
33772
Is there any difference in equals and == for String variables?
156604
Why does "true" == true show false in JavaScript?
128709
Why is there a `null` value in JavaScript?
62005
Implied string comparison, 0=='', but 1=='1'