What is the purpose of the following JavaScript statement? continue;
A). Exits the current loop or switch statement
B). Skips the current iteration in a loop
C). Assigns a value to a variable
D). Continues to the next iteration in a loop
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 is the purpose of the following JavaScript statement? let name = 'John';
A). Declare a function
B). Declare a variable
C). Print a message to the console
D). Loop through an array
What does the following JavaScript code snippet do? Code: let num = 5; while (num > 0) { console.log(num); num--; }
A). Declares a variable and assigns a value to it
B). Executes a block of code repeatedly until a condition becomes false
C). Calculates the sum of numbers from 1 to 5
D). Checks if a number is positive or negative
What does the following JavaScript code snippet do? Code: let x = 10; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }
A). Checks if x is even and prints 'Even'
B). Checks if x is odd and prints 'Odd'
C). Checks if x is greater than 0 and prints 'Positive'
D). Checks if x is less than 0 and prints 'Negative'
What will be the output of the following JavaScript code? Code: let nums = [1, 2, 3, 4, 5]; for (let n of nums) { if (n % 2 === 0) { console.log(n); } }
A). 1 3 5
B). 2 4 6
C). 1 2 3 4 5
D). 2 4
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
Which of the following JavaScript statements is used to execute a block of code repeatedly until a specified condition becomes false?
A). Function declaration statement
B). Conditional statement (if statement)
C). Assignment statement
D). Looping statement (do-while loop)
Which of the following JavaScript statements is used to execute different code based on a specified condition?
A). Function declaration statement
B). Assignment statement
C). Conditional statement (if statement)
D). Looping statement (for loop)
What will be the output of the following JavaScript code? Code: let i = 0; for (; i < 3; i++) { console.log(i); }
A). 0 1 2 3
B). 0 1 2
C). 1 2 3
D). 1 2 3 4