programming-examples/js/Conditional/Write a JavaScript program to sum the multiples of 3 and 5 under 1000..js

var sum = 0;  
for (var x = 0; x < 1000; x++)  
{  
    if (x % 3 === 0 || x % 5 === 0)  
    {  
       sum += x;  
    }  
}  
console.log(sum);