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JSON Tree Viewer

This lesson is part of Web Developer Tools · All levels

Summary

JSON tree viewer displays JSON documents as hierarchical structures that can be opened and closed. This display makes it easy to search for cluster objects, arrays, and value types without having to read long raw text. Viewer also helps find missing properties or misplaced data.

Key points

JSON tree shows parent-child relationships between properties
Objects displayed with keys, arrays with index numbers
The node can be opened or closed to simplify the view
Value types such as string, number, boolean, and null are usually colored
JSON does not allow comments and commas at the end of the element

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