Why doesn't "is" keyword work here?
4419
"is" operator behaves unexpectedly with integers
29701
Why does instanceof return false for some literals?
151837
Why doesn't the boolean modifier work for me?
23730
Why is 'True == not False' a syntax error in Python?
110497
Should I use "is" or "are" with "any of X"?
139359
Can I use "whether" instead of "if" in this sentence?
105797
Why can't we define a variable inside an if statement?
35503
Understanding Python's "is" operator
61752
What's the difference between isset() and array_key_exists()?
124650
Is `if (condition = value)` the correct syntax for comparison?
24725
isset() function is returning true even when item is not set
148523
How to check whether operator== exists?
39799
Does the `is` operator use a __magic__ method in Python?
1469
Is there a difference between "==" and "is"?
43187
How does "each" change "are" to "is"?
46395
Is it 100% correct to replace !!someVar with Boolean(someVar)?
19249
Type Checking: typeof, GetType, or is?