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Javascript while and do/while loops

I have this code who works properly with for loop, how to made while and do/while loop to work properly on same way when i click on button?

<body>
    <div>
        <button onclick = "fun()">Click
        </button>
        <p id = "dr">
        </p>
            <script>
                function fun() {
                    var str = "";
                        for (var i = 0; i < 11; i++) {
                            str = str + i + "<br/>";
                            document.getElementById("dr").innerHTML = str;
                        } 
                 }
            </script>
    </div>   
</body>

This sounds a bit like HW, so I won't give you the entire code.

However, you have this code in your for loop

for (var i=0; I<11; i++)
}

In that, I is never defined, so you should probably change it to i .

For changing it to a do{}..while() loop, remember that every for loop of the form for(a;b;c){d;} can be expanded to the while loop

a;
while(b){
    d;
    c;
}

and therefore to the do..while loop of

a;
do{
    d;
    c;
}while(b);

while:

function fun()
{
   var str ="";
   while( i < 11 )
   {
        str=str + i +"<br/>";
        document.getElementById("dr").innerHTML =srt;
        i++;
   }
}

do/while:

function fun()
{
   var str ="";
   do
   {
        str=str + i +"<br/>";
        document.getElementById("dr").innerHTML =srt;
        i++;
   }while( i < 11 );
}

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