Person XYZ wrote his name and date of code creation at the start , What kind of comment he has written ?

In multiple line comment , End of the comment is specified by ________ Symbol.

Which of the following is not a compound assignment operator.

If a string cannot be converted to a number __________ will be returned.

JS Comment can be used for following purposes

What will be printed on the screen ? Var3 =100101010

During addition of two numbers , suppose one of the number is NaN then output of the following code will be ?

+Infinity in JS gets added with +Infinity then output of the code will be -

-Infinity in JS gets added with -Infinity then output of the code will be.

-Infinity in JS gets added with +Infinity then output of the code will be.