mcmega,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
</head>
<body>
<select id="staSSIDSelect" value="sta_ssid" onchange="ssidChange()">
<option disabled="">-----</option>
<option value="">Hidden Network</option>
</select>
<script>
var ssidObjs = [
{"ssid":"TP-Link_6260","rssi":-66,"channel":1},
{"ssid":"TP-LINK_71","rssi":-81,"channel":1}
],
select = document.getElementById('staSSIDSelect');
ssidObjs.forEach(function(elem,i) {
select.add(new Option(elem.ssid + ' (' + elem.rssi + 'dBm)', elem.ssid),i);
});
select.selectedIndex = 0;
</script>
</body>
</html>