Question

Which one of the following is the correct output for the given JavaScript code?

var a=0;  

var b =0;  

while (a <3)  

{  

    a++;  

    b += a;  

    console.log(b);  

}  

a) 136

b) 123

c) 013

d) 01

Answer 1

Answer: A

Reason: In the "while" loop statement, the condition is first checked before executing the statements written in the loop's body. Generally, the value of the counter variable incremented at the end of the body of the "while" loop, whereas the statements are executed first.