What is the purpose of the following JavaScript statement? let result = x > 0 ? 'Positive' : 'Non-positive';
A). Assigns the value 'Positive' to result if x is greater than 0, otherwise assigns 'Non-positive'
B). Checks if x is greater than 0
C). Prints 'Positive' if x is greater than 0, otherwise prints 'Non-positive'
D). None of the above
What will be the output of the following JavaScript code? Code: let i = 1; do { console.log(i); i++; } while (i < 3);
A). 1 2 3
B). 1 2 3 4
C). 2 3 4
D). Infinite loop
What will be the output of the following JavaScript code? Code: let x = 7; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }
A). Even
B). Odd
C). 7
D). None of the above
What will be the output of the following JavaScript code? Code: let count = 0; do { console.log(count); count++; } while (count < 3);
A). 0 1 2 3
B). 0 1 2
C). 1 2 3
D). Infinite loop
What will be the output of the following JavaScript code? Code: let i = 3; do { console.log(i); i--; } while (i > 0);
A). 3 2 1
B). 2 1 0
C). 3 2 1 0
D). 1 2 3
What is the purpose of the following JavaScript statement? return result;
A). Exits the current loop or switch statement
B). Skips the current iteration in a loop
C). Exits the current function and returns a value
D). Continues to the next iteration in a loop
What does the following JavaScript code snippet do? Code: let result = x > 0 ? 'Positive' : (x < 0 ? 'Negative' : 'Zero');
A). Assigns 'Positive' to result if x is greater than 0, 'Negative' if x is less than 0, otherwise 'Zero'
B). Checks if x is greater than 0 and assigns 'Positive', otherwise checks if x is less than 0 and assigns 'Negative', otherwise assigns 'Zero'
C). Assigns 'Positive' to result if x is less than 0, 'Negative' if x is greater than 0, otherwise 'Zero'
D). None of the above
What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; for (let i = 0; i < numbers.length; i++) { console.log(numbers[i]); }
A). Prints all elements of the array numbers
B). Calculates the sum of elements in the array numbers
C). Finds the maximum element in the array numbers
D). Checks if all elements in the array numbers are even
What will be the output of the following JavaScript code? Code: for (let i = 0; i <= 3; i++) { console.log(i); }
A). 0 1 2 3
B). 0 1 2
C). 1 2 3
D). 1 2 3 4
Which of the following JavaScript statements is used to execute a block of code repeatedly while a condition remains true?
A). Function invocation statement
B). Conditional statement (if statement)
C). Assignment statement
D). Looping statement (while loop)