Why does this if always return true?
4521
Is there an "exists" function for jQuery?
155686
What is a reason of placing boolean or null before comparison operator?
33974
How does true/false work in PHP?
116537
Model.IsValid always returning true
3941
What's the difference between ".equals" and "=="?
143206
How to check if all list items have the same value and return it, or return an “otherValue” if they don’t?
109567
How does operator  work when comparing two strings?
158810
Why does >= return false when == returns true for null values?
665
Which equals operator (== vs ===) should be used in JavaScript comparisons?
49878
Why does `a == x or y or z` always evaluate to True?
58312
Why does (0 == 'Hello') return true in PHP?
106258
What is the reason that an empty string evaluates to false in Javascript
71139
What is the difference between if(CONST==variable) or if(variable==CONST)?
117657
Why does javascript accept commas in if statements?
59951
Why does list.append evaluate to false in a boolean context?
39485
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b')
73203
String-bool comparsion - why?