Source code
<h2 id="numbers"></h2>
<div class="submit">
<button onclick="generate(6, 1, 49);">Generate</button>
</div>
function generate(size, lowest, highest) {
var numbers = [];
for(var i = 0; i < size; i++) {
var add = true;
var randomNumber = Math.floor(Math.random() * highest) + 1;
for(var y = 0; y < highest; y++) {
if(numbers[y] == randomNumber) {
add = false;
}
}
if(add) {
numbers.push(randomNumber);
} else {
i--;
}
}
var highestNumber = 0;
for(var m = 0; m < numbers.length; m++) {
for(var n = m + 1; n < numbers.length; n++) {
if(numbers[n] < numbers[m]) {
highestNumber = numbers[m];
numbers[m] = numbers[n];
numbers[n] = highestNumber;
}
}
}
document.getElementById("numbers").innerHTML = numbers.join(" - ");
}