標籤：oct scale charset div set wait typeof cti scala
<!DOCTYPE HTML><html lang="en"><head><meta charset=UTF-8"><meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"><title>Connection API</title></head><body><button id="btn" type="button">Get Ststus</button><div id="re" style="margin-top: 10px;"></div><script type="text/javascript"> var connection = navigator.connection||navigator.mozConnection||navigator.webkitConnection||{tyep:‘unknown‘};var type_text = [‘unknown‘,‘ethernet‘,‘wifi‘,‘2g‘,‘3g‘,‘4g‘,‘none‘]; alert(connection.type);var re_el = document.getElementById("re");var btn_el = document.getElementById("btn");function get_status(){if(typeof(connection.type) == "number"){connection.type_text = type_text[connection.type];}else{connection.type_text = connection.type;}if(typeof(connection.bandwidth) == "number"){if(connection.bandwidth > 10){connection.type = ‘wifi‘;}else if(connection.bandwidth > 2){connection.type = ‘3g‘;}else if(connection.bandwidth > 0){connection.type = ‘2g‘;}else if(connection.bandwidth == 0){connection.type = ‘none‘;}else{connection.type = ‘unknown‘;}}var html = ‘Type : ‘+connection.type_text;html += ‘<br>Bandwidth : ‘+connection.bandwidth;html += ‘<br>isOnline : ‘+navigator.onLine;re_el.innerHTML = html;} btn_el.onclick = function(){re_el.innerHTML = ‘Waiting...‘;get_status();} </script></body></html>
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