Answer & Solution
<div>When adding a string and numbers in JavaScript, it concatenates the values as strings from left to right, resulting in '222'.</div>
<div>When adding a string and numbers in JavaScript, it concatenates the values as strings from left to right, resulting in '222'.</div>
What is the value of x after executing the code: let x = 10; x += 5; x /= 3;?
A). 5
B). 15
C). 33
D). 67
What will be the result of 5 == '5' in JavaScript?
A). 1
B). 0
C). Error
D). Undefined
What will be the value of x after executing the code: let x = 10; x -= 2; x *= 3;?
A). 24
B). 30
C). 36
D). 12
What will be the result of 10 + '5' in JavaScript?
A). 15
B). 105
C). NaN
D). Error
What is the value of x after executing the code: let x = 5; x *= 2 + 3;?
A). 10
B). 25
C). 13
D). 15
What does the typeof operator return for an array in JavaScript?
A). 'array'
B). 'object'
C). 'null'
D). 'undefined'
What is the result of '20' - 10 in JavaScript?
A). 10
B). '10'
C). NaN
D). 20
What will be the result of 3 * 'A' in JavaScript?
A). Error
B). NaN
C). 0
D). 3
What will be the value of x after executing the code: let x = 5; x += '2';?
A). 7
B). '72'
C). 52
D). NaN
What will be the value of x after executing the code: let x = 10; x /= 2;?
A). 5
B). 20
C). 0
D). 2