1. Using the Function
2. using for Loop

Q: Write a program that uses console.log to print all the numbers from 1 to 100,  
with two exceptions. For numbers divisible by 3, print “Fizz” instead of the number,
and for numbers divisible by 5 (and not 3), print “Buzz” instead.
When you have that working, modify your program to print “FizzBuzz”,
 for numbers that are divisible by both 3 and 5 (and still print “Fizz” or “Buzz” for numbers divisible by only one of those).
 (This is actually an interview question that has been claimed to weed out a significant percentage of programmer candidates. So if you solved it, you’re now allowed to feel good about yourself.)

Let’s starting writing the code here ” How to create FizzBuzz in js” using Function

using the function method is best way here we can set the time interval between first step and second step. and I think you can easily understand the code and use it for yourself.

<script>
var a,b,c;  // intialize three variables
a=0;
b=0;
c=0;

function demo(){
a++;

if( a % 15 == 0 )
{
b='fizzBuzz';
document.write(b + "<br>");
}
else if( a % 3 == 0 )
{
b='fizz';
document.write(b + "<br>");
}
else if( a%5==0 )
{
c='Buzz';
document.write(c + "<br>");
}
else{
document.write(a +"<br>");
}

// stop set interval after 100

if(a==100)
{
clearInterval(start);
}

}

// setInterval repeat calling any function infinite times
var start =setInterval(demo,500);
</script>

2.Now the Second method  ” How to create FizzBuzz in js” using For Loop

<script>

for (var i=1; i <= 100; i++)
{
 if (i % 15 == 0)
 document.write("FizzBuzz" + "<br>");
 else if (i % 3 == 0)
 document.write("Fizz" + "<br>");
 else if (i % 5 == 0)
 document.write("Buzz" + "<br>");
 else
 document.write(i +"<br>");
}

</script>

Summary

“How to create FizzBuzz in js”: Now you knows the program works in many ways and  its totally depends on programmer. FizzBuzz is the best way to understand conditions.

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