JavaScript comparison (x === y / x == y / x < y / x > y)


=
x === y is true
x === y is false && x == y is true
<
x < y is true
>
x > y is true
x == y is false && x < y is false && x > y is false


json
JSON.stringify(x)


value
undefined
value
null
value
NaN
value
Number
value
String
value
Object
value
Boolean
value
Infinity
value
-Infinity

Addition (x + y)