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jquery Ajax does not perform the success method after returning JSON results from the background

Source: Internet
Author: User
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Everyone in the development process will often use the asynchronous way to interact with the background, the result information returned from the back of the background is often used in the format of the JSON string, if the back end of the spelling of the result string (JSON) if there is a problem (JSON format is not correct). The JS code in the front end of the Ajax will call the method in error, and it will not go through the success method at this time. here everyone can go online to find a JSON online verification of the web site to see if their JSON string is correct, if the JSON toolkit generated by the JSON string is not a problem .

jquery Ajax does not perform the success method after returning JSON results from the background

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