Consider the code snippet given below var count = [1,,3]; What is the observation made? Options: A . &nbspThe omitted value takes “undefined” B . &nbspThis results in an error C . &nbspThis results in an exception D . &nbspNone of the mentioned

Consider the code snippet given below var count = [1,,3]; What is the observatio

Question

Consider the code snippet given below
var count = [1,,3];
What is the observation made?

Options:

A . The omitted value takes “undefined”

B . This results in an error

C . This results in an exception

D . None of the mentioned

Answer: Option A

Submit Your Solution Below and Earn Points !

Next Question

Question 1. Consider the following code snippet var a1 = [,,,]; var a2 = new Array(3); 0 in a1 0 in a2 The result would be....

Question 2. The pop() method of the array does which of the following task ?....

Question 3. What will happen if reverse() and join() methods are used simultaneously ?....

Question 4. Consider the following code snippet : if (!a[i]) continue ; What is the observation made ?....

Question 5. Consider the following code snippet : var a = [1,2,3,4,5]; a.slice(0,3); What is the possible output for the above code ....is the possible output for the above code snippet ?

Question 6. Consider the following code snippet : var a = []; a.unshift(1); a.unshift(22); a.shift(); a.unshift(3,[4,5]); a.shift();....: var a = []; a.unshift(1); a.unshift(22); a.shift(); a.unshift(3,[4,5]); a.shift(); a.shift(); a.shift(); The final output for the shift() is

Question 7. The primary purpose of the array map() function is that it....

Question 8. The method or operator used to identify the array is....

Question 9. The reduce and reduceRight methods follow a common operation called....

Question 10. The function definitions in JavaScript begins with....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0