Equal catastrophe

Question

Why == another day === or != And !== Why all these signs

Answer 1

10=="10" this is true bcoz automatic type conversion of string to integer happened and then it compare which is true 10 equals to 10

10==="10" this is false bcoz 10 is integer and "10" is string using === this operation it will give false coz this triple equal operator check datatype

and same with ! (not )operator

Answer 2

If you will study js tutorial you will find it there