Question

How to use while statement in JavaScript

Answer 1

var i = 0;
while (i < 10) {
    document.write(i + "<br />"); 
    i++;
}

/*
run:
 
0
1
2
3
4
5
6
7
8
9
 
*/

 

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Answer 2

var i = 10;
while (i > 0) {
    document.write(i + "<br />"); 
    i--;
}

/*
run:
 
10
9
8
7
6
5
4
3
2
1
 
*/

 

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