js判断手机连接网络类型
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; 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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