You can get the object content through console.dir(a);, so you can see that there is a data attribute, and you can get the string by getting the .data attribute.

JSON.stringify() Try if it works
stringify() is used to parse a string from an object, such as

var
a = {a:1,b:2}

Result:

JSON.stringify(a)

"{"a":1,"b":2}"

Try.dataor.wholeText

alert(a.data);

Result of

alert(a):

The result of

alert(a.data):

Result of

alert(a.wholeText):

How is the data? Post a picture. I don’t know what’s going on!