var a = [{"id": "102"," name ":" guarantee "}, {" id ":" 104", "name": "out of the box"}]
an is the data returned by the backend to typeof the data found to be of string type JSON.parse (a)
error Uncaught SyntaxError: Unexpected token o in JSON at position 1
at JSON.parse (<anonymous>)
your an is obviously an object, so what else? JSON.parse is used to convert strings into objects
you can see the difference between JSON.parse and JSON.stringify
can you print the a you returned in the background? It is estimated that there is something wrong with the format returned by the background.
see the difference for yourself
json.parse is a way to transfer strings to objects. Are you sure you conform to this format? ,
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