Question
var num1;
var num2 = 10;
var num3 = num1 + num2;
a.
10
b.
undefine10
c.
undefine
d.
None of these
Posted under Web Technologies
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. What will be the value of Variable - "num3" ? var num1; var num2 = 10; var num3 = num1 + num2;
Similar Questions
Discover Related MCQs
Q. Variables declared inside function are visible _______________.
View solution
Q. Local Variables are Destroyed as soon as ______________.
View solution
Q. Assignment Operators is following type of operator ______________.
View solution
Q. "Add and Assignment" operator is shown by this symbol.
View solution
Q. "===" operator is _______________.
View solution
Q. "+=" operator can operate on following data values.
View solution
Q. Which of the following is not an logical operator ?
View solution
Q. Which of the following operator is used to concatenate two strings.
View solution
Q. What type of value gets printed if we add following two variables ?
var a = "1";
var b = 5;
View solution
Q. "++" is __________ type of operator.
View solution
Q. "++" can operate only on ________________.
View solution
Q. Integer Variable + Character Variable + Undefined Variable = ______________ Value
View solution
Q. Which of the following is not a comparison operator ?
View solution
Q. Adding String and Integer always results in _________.
View solution
Q. JavaScript contains a _________________ that assigns a value to a variable based on some condition.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Web Technologies? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
