Question

How to use the two types of while loops in JavaScript ES6

Answer 1

function while_examples() { 
    let i = 1; 

    while(i <= 5) { 
        console.log(i+" "); 
        i++;
    } 
    
    console.log('\n') 
    do { 
        console.log(i); 
        i--; 
    } 
    while(i >= 0);

    console.log('\n') 
    console.log(i) 
} 

while_examples(); 

 
 
 
      
/*
run:
    
1 
2 
3 
4 
5 


6
5
4
3
2
1
0


-1
  
*/

 

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Answer 2

function while_examples() { 
    let i = 1; 

    while(i <= 10) { 
        console.log(i+" "); 
        i++;
        if (i == 7) {
            break;
        }

    } 
    
    console.log('\n') 
    do { 
        i--; 
        if (i == 3) {
            continue;
        }
        console.log(i); 
        if (i == 2) {
            return;
        }
    } 
    while(i >= 0);

    console.log('\n') 
    console.log(i) 
} 

while_examples(); 

 
 
 
      
/*
run:
    
1 
2 
3 
4 
5 
6 


6
5
4
2
  
*/

 

70+ SQL courses for beginners and professionals