What will be the output of the following JavaScript code? Code: let x = 30; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }
A). A) Even
B). B) Odd
C). C) 30
D). D) None of the above
What will be the output of the following JavaScript code? Code: console.log(2 + 2 + '2');
A). A) 42
B). B) 22
C). C) 4'2'
D). D) '22'
What does the following JavaScript code snippet do? Code: let a = 10; let b = 20; let temp = a; a = b; b = temp; console.log(a, b);
A). A) Swaps the values of a and b
B). B) Adds a and b
C). C) Checks if a is equal to b
D). D) Multiplies a and b
What will be the output of the following JavaScript code? Code: let x = 8; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }
A). A) Even
B). B) Odd
C). C) 8
D). D) None of the above
What will be the output of the following JavaScript code? Code: let x = 15; if (x % 2 === 0) { console.log('Even'); } else { console.log('Odd'); }
A). A) Even
B). B) Odd
C). C) 15
D). D) None of the above
What will be the output of the following JavaScript code? Code: console.log('20' - 10);
A). A) 10
B). B) 30
C). C) '2010'
D). D) NaN
What does the following JavaScript code snippet do? Code: let x = 'Hello'; let y = x.length; console.log(y);
A). A) Stores the length of the string x in y
B). B) Converts x to uppercase
C). C) Converts x to lowercase
D). D) Finds the index of a character in x
What does the following JavaScript code snippet do? Code: let x = 'Hello'; console.log(x.toUpperCase());
A). A) Converts x to lowercase
B). B) Reverses the characters in x
C). C) Converts x to uppercase
D). D) Adds spaces to x
What does the following JavaScript code snippet do? Code: let x = 5; let y = x++; console.log(x, y);
A). A) Increments x and assigns to y
B). B) Decrements x and assigns to y
C). C) Assigns x to y and then increments x
D). D) Assigns x to y and then decrements x
What does the following JavaScript code snippet do? Code: let numbers = [1, 2, 3, 4, 5]; let min = Math.min(...numbers); console.log(min);
A). A) Calculates the sum of numbers in numbers
B). B) Finds the minimum number in numbers
C). C) Calculates the product of numbers in numbers
D). D) Checks if all numbers in numbers are even