PE01

by witq

JavaScript

// OK

var i = 0,
    sum = 0,
    start,
    end;

start = performance.now() || 0;

while (i < 1000) {
    if (i % 3 === 0 || i % 5 === 0) {
        sum += i;
    }
    i += 1;
}

end = performance.now() || 0;

console.log('sum: ' + sum + ', duration: ' + (end - start));