JSON 面试题与答案
Question: Why use JSON over XML?Answer: Lighter and faster than XML as on-the-wire data formatJSON objects are typed while XML data is typeless > JSON types: string, number, array, boolean, > XML data are all string Native data form for JavaScript code > Data is readily accessible as JSON objects in your JavaScript code vs. XML data needed to be parsed and assigned to variables through tedious DOM APIs > Retrieving values is as easy as reading from an object property in your JavaScript code |
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