<!DOCTYPE html>
<html>
<head>
<script>
function myFunction()
{ var nums = {4:"four",5:"five"};
for(var key in nums)
{
var x = document.getElementById("category");
var option = document.createElement("option");
option.text = nums[key];
option.value = key;
x.add(option);
}
}
</script>
</head>
<body>
<select id="category">
<option value="1">one</option>
<option value="2">two</option>
<option value="3">three</option>
</select>
<button onclick = "myFunction()">Click here to add</button>
</body>
</html>
Programing Solutions 