Choose the correct snippet from the following to check if the variable "a" is not equal the "NULL":

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#1 
A)if(a!==null)
B)if (a!)
C)if(a!null)
D)if(a!=null)
#2

the correct ans is D

#3

a option is right
because it doing comparision between them

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#4

option d if (a!=null)

#5

i think option D is correct

#6

answer is option (A). bcz !== will check the value as well as data of a

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#7

i got it mam it check both values and datatype