adplus-dvertising
frame-decoration

Question

Which JavaScript variable cannot be used as First character but can be use after first character ?

a.

Asterisk

b.

Dollar Sign

c.

Underscore

d.

Digit

Posted under Web Technologies

Answer: (d).Digit

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which JavaScript variable cannot be used as First character but can be use after first character ?

Similar Questions

Discover Related MCQs

Q. Initialization of variable can be done by writing _____ operator in between variable name and operand value.

Q. Multiple Declarations of variables are separated by ___________ symbol.

Q. var var1 = "Pritesh";
Above variable can store value of type -

Q. Variable declared without a value will have the value ______________.

Q. When you assign a text value to a variable, we put text value in the pair of _________.

Q. Non Initialized Variable have value "undefine", What value be printed in following case -
var carname="Volvo";
var carname;

Q. What will be the value of Variable - "num3" ?
var num1;
var num2 = 10;
var num3 = num1 + num2;

Q. Variables declared inside function are visible _______________.

Q. Local Variables are Destroyed as soon as ______________.

Q. Assignment Operators is following type of operator ______________.

Q. "Add and Assignment" operator is shown by this symbol.

Q. "===" operator is _______________.

Q. "+=" operator can operate on following data values.

Q. Which of the following is not an logical operator ?

Q. Which of the following operator is used to concatenate two strings.

Q. What type of value gets printed if we add following two variables ?
var a = "1";
var b = 5;

Q. "++" is __________ type of operator.

Q. "++" can operate only on ________________.

Q. Integer Variable + Character Variable + Undefined Variable = ______________ Value

Q. Which of the following is not a comparison operator ?