这是我的代码,
var myExtension = chrome.management.get( "my_extention_id" );
if (myExtension.enabled)
{
// installed
}
else { ... }
来源:http://developer.chrome.com/extensions/management.html#method-get 我尝试了这个方法,但是出现了以下错误:Uncaught TypeError: Cannot read property 'get' of undefined。