JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE HTML>
<title>JS Prob One</title>
<body>
<p>Solution to problerm for JS course on reddit</p>
</body>

JavaScript

var sum = function(number){
var answer = 0;
for (var i = 0; i < number; i++){
  if (i % 3 === 0 || i % 5 === 0) {
      answer += i;
  }
}
alert("The total answer is " +answer);

};

 sum(1000);