Why strict comparison(===) when checking typeof equality?
665
Which equals operator (== vs ===) should be used in JavaScript comparisons?
73430
C# .Equals(), .ReferenceEquals() and == operator
158810
Why does >= return false when == returns true for null values?
118582
Using the equality operator == to compare two strings for equality in C
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
84421
variable === undefined vs. typeof variable === "undefined"
151096
Why does the expression 0 < 0 == 0 return False in Python?
32886
What is the difference between != and =! in Java?
53664
What's the difference between equal?, eql?, ===, and ==?
19592
What does ||= (or-equals) mean in Ruby?
3018
Any reason to prefer getClass() over instanceof when generating .equals()?
141442
Why does my string comparison fail?
4684
What's the canonical way to check for type in Python?
44660
Type-juggling and (strict) greater/lesser-than comparisons in PHP
109876
In the msdn guidance on Equals override, why the cast to object in the null check?
151218
When to use the equals sign in a Scala method declaration?
3941
What's the difference between ".equals" and "=="?