JSFiddle - React, Tailwind, and code Playground

by TigerAsks

HTML

<html>
    <head><title>Sum 1..100</title></head>
    <body>
        <span>
        1 + 2 + 3 + ... + 100 = <script>
            sum = 0; //without strict mode, this is fine
            "use strict"; //requires that all variables after this be declared prior to their use
            i = 1;
            while(i < 101){
                sum += i++;
            }
            document.write(sum);
        </script>
        </span>
    </body>
</html>