Difference between == and === in JavaScript [duplicate]

Take a look here: http://longgoldenears.blogspot.com/2007/09/triple-equals-in-javascript.html The 3 equal signs mean “equality without type coercion”. Using the triple equals, the values must be equal in type as well. 0 == false // true 0 === false // false, because they are of a different type 1 == “1” // true, automatic type conversion for value only … Read more

Which equals operator (== vs ===) should be used in JavaScript comparisons?

The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal. Reference: Javascript Tutorial: Comparison Operators The == operator will compare for equality after doing any necessary type conversions. The === operator will not do the … Read more