Modern browsers support JSON.parse().

var arr_from_json = JSON.parse( json_string );

In browsers that don't, you can include the json2 library.

Answer from user113716 on Stack Overflow
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JSON Formatter
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Onlinewebtoolkit
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Online Tools
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CodeSandbox
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deserialize json-api online - CodeSandbox
December 23, 2021 - deserialize json-api online by stb1rd using jsonapi-serializer, map-obj, react, react-codemirror, react-dom, react-json-tree, react-scripts
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MojoAuth
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MDN Web Docs
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Deserialization - Glossary | MDN
In JavaScript, for example, you can deserialize a JSON string to an object by calling the function JSON.parse().
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W3Schools
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JSON.parse()
Parse the data with JSON.parse(), and the data becomes a JavaScript object.
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Xutilhub
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Dadroit
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