Here it is in javascript, but I have it just adding a thousand numbers by default. It takes forever to do a million.
<html>
<head>
<title>Number Generator</title>
<script type="text/javascript">
function generateNumbers() {
var startNum = parseInt(document.getElementById("startNum").value);
var numsToAdd = parseInt(document.getElementById("numsToAdd").value);
var output = document.getElementById("output");
for (var num = startNum; num < startNum + numsToAdd; num++) {
var divelem = document.createElement("div");
divelem.innerHTML = num;
output.appendChild(divelem);
}
}
function clearNumbers() {
var output = document.getElementById("output");
output.innerHTML = "";
}
</script>
</head>
<body>
Start Number: <input type="text" id="startNum" name="startNum" value="1486262272">
<input type="button" value="Run" onclick="generateNumbers()">
<input type="button" value="Clear" onclick="clearNumbers()">
<br>
Nums To Add: <input type="text" id="numsToAdd" name="numsToAdd" value="1000">
<div id="output"></div>
</body>