Question
let x=x+1;
console.log(x);
What will be the result for the above code snippet?
a.
0
b.
Null
c.
ReferenceError
d.
NaN
Posted under JavaScript
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Consider the following code snippet: let x=x+1; console.log(x); What will be the result for the above code snippet?
Similar Questions
Discover Related MCQs
Q. Consider the following code snippet:
[x,y]=[y,x];
What is the result of the above code snippet?
View solution
Q. Which looping statement allows XML tags to appear in JavaScript programs and adds API for operating on XML data?
View solution
Q. Which exception does the Iterators throw from their next() method when there are no more values to iterate, that work on finite collections ?
View solution
Q. Which method of the iterable object returns an iterator object for the collection?
View solution
Q. Consider the following code snippet:
let succ = function(x) x+1, yes = function() true, no = function() false;
What convenience does the above code snippet provide?
View solution
Q. Consider the following code snippet:
data.sort(function(a,b),b-a);
What does the above code do?
View solution
Q. What is the code to be used to trim whitespaces ?
View solution
Q. What will be the reaction when a catch clause has no conditionals ?
View solution
Q. When will the finally block be called?
View solution
Q. What is the return type of typeof for standard JavaScript objects?
View solution
Q. Which method to use while working with XML fragments, instead of XML()?
View solution
Q. Which of the following is the descendant operator?
View solution
Q. Which of the following is an example to perform the most common XML manipulations using the XML objects invocation?
View solution
Q. What is the code required to delete all "weight" tags?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond JavaScript? 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!
