我试过了,但弹不出来。function(response) if (response.session) if (response.perms) alertin and granted some permissions: ' + response.perms); else alert('logged in but didnt grant per
在js完成提升后,代码将如何处理?jsFiddle显示它打印1,但这是怎么回事?var a = 1; a = 10; function a() {}b();这就是我想出来的: function a() {} //hoisted function declaration return; a=1;alert