PhoneGap Connection用法求解

Question

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(); 

Answer 1

这是我在网上找的代码，但是用了之后  到了var networkState = navigator.network.connection.type；就好像不执行了，难道navigator.network.connection.type有问题？