O Level Online Exam
Menu mobile
Home
MCQ Topic Wise
INFORMATION TECHNOLOGY TOOLS AND NETWORK BASIS
New
WEB DESIGNING AND PUBLISHING
New
PROGRAMMING AND PROBLEM SOLVING THROUGH PYTHON
New
INTERNET OF THINGS AND ITS APPLICATIONS
New
Online Mock Test
INFORMATION TECHNOLOGY TOOLS AND NETWORK BASIS
New
WEB DESIGNING AND PUBLISHING
New
PROGRAMMING AND PROBLEM SOLVING THROUGH PYTHON
New
INTERNET OF THINGS AND ITS APPLICATIONS
New
Old Papers
Practical Questions
Projects
Report Bug
QusThe snippet that has to be used to check if “a” is not equal to “null” is Qus The snippet that has to be used to check if “a” is not equal to “null” is
A. if(a!=null)
B. if (!a)
C. if(a!null)
D. if(a!==null)
Solution
D. if(a!==null)
Explanation
The not-equal operator !== compares o to null and evaluates to either true or false.
Latest Current Affairs 2025
Online Exam Quiz for One day Exam
Online Typing Test
CCC Online Test
Python Programming Tutorials
Best Computer Training Institute in Prayagraj (Allahabad)
Online MBA 2 years
Online MCA
Online BCA
Best Website and Software Company in Allahabad