我在下面使用此功能获取互联网连接类型
function checkConnection() {
var networkState = navigator.network.connection.type;
var states = {};
states[Connection.UNKNOWN] = 'Unknown connection';
states[Connection.ETHERNET] = 'Ethernet connection';
states[Connection.WIFI] = 'WiFi connection';
states[Connection.CELL_2G] = 'Cell 2G connection';
states[Connection.CELL_3G] = 'Cell 3G connection';
states[Connection.CELL_4G] = 'Cell 4G connection';
states[Connection.NONE] = 'No network connection';
alert('Connection type: ' + states[networkState]);
}
这会警告状态:警告('连接类型:' +状态[networkState]);
我需要做的是让它仅在状态为状态[Connection.NONE]
时发出警报我试过了:
if ((states[networkState]) = states[Connection.NONE]) {
alert('No internet connection here');
}
但这没有用。
答案 0 :(得分:1)
逻辑上,这个
if ((states[networkState]) = states[Connection.NONE])
应该是
if ((states[networkState]) == states[Connection.NONE])
答案 1 :(得分:1)
更好的方法是从if语句中删除该函数。
if (networkState == Connection.NONE) {
alert('No internet connection here');
}