JSFiddle - React, Tailwind, and code Playground

by Ersin Bilgin

HTML

<div id="result"></div>

JavaScript

var totalArray = function (arr) {
    
    var total = 0;
    
    for ( var num = 0; num < arr.length; num++ ) {
        
        total += arr[num];
        
    }
    
    return total;
    
}

var projectEulerQuestion1 = function () {
    
    var total = [];
    
    for ( var i = 1; i < 1000; i++ ) {
        
        if ( !(i % 3) || !(i % 5) )
            total.push(i);
        
    }
    
    document.getElementById("result").innerHTML = total.join(", ") + "<br />Total: " + totalArray( total );
    
}();