Connection
Connection对象提供对设备的蜂窝及WiFi连接信息的访问。
通过navigator.network接口访问该对象。
属性:
常量:
connection.type 
检查正在使用的活动网络连接。
说明:
该属性是确定设备网络连接状态和连接类型的快速方法。
支持的平台:
  • iOS
  • Android
  • BlackBerry WebWorks (OS 5.0或更高版本)
  • Windows Phone 7 ( Mango )
简单的范例:
复制
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]);
}
	
checkConnection();
完整的范例:
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navigator.network.connection.type Example