Such as: the console. The log output undefined, but output e.d etail. The value is right, just learning to program development, don't understand the according to the website to var that=this is no use

Data: {
The items: [
{name: 'wx - auto, value:' remember the password, next time automatic login '},
],
StrKHKey: ", "
Strwxtel: ", "
BoolwxtelEnabled: false,
STRPW: ", "
BoolpwEnabled: false,
BoolAuto: true
},

KHKeyInput: function (e) {
Enclosing setData ({
StrKHKey: e.d etail. Value
})
the console. The log (" strKHKey: "+ enclosing strKHKey)
},