[рони]

es6 => es5

<script>
function rand(min, max) {
    for (var exclude = [], i = 2; i < arguments.length; ++i) exclude[i - 2] = arguments[i];
    max += 1 - min - exclude.length;
    var result = min +(Math.random() * max)|0;
    return exclude.sort(function(a, b) {
        return a - b
    }).reduce(function(result, value) {
        return result + (result >= value)
    }, result)
};
for (var i=0; i<50; i++)  {document.write(rand(1, 8, 1, 3, 5, 7)+", ")}
</script>