JSON Path Evaluator

JavaScript Object Notation is a readable format for structuring data. It is used to transmit data between a server and a web application.

It is a key-value type, where the key should be of string and value can of any type including string, integer, float, array, object or boolean.

Example:

{
  "name": "Aleix Melon",
  "id": "E00245",
  "role": ["Dev", "DBA"],
  "age": 23,
  "doj": "11-12-2019",
  "married": false,
  "address": {
    "street": "32, Laham St.",
    "city": "Innsbruck",
    "country": "Austria"
  },
  "referred-by": "E0012"
}

A JSON Path Evaluator is a tool that allows you to extract data from a JSON document using a string expression called a JSON Path.

A JSON Path is a string of expressions that specify the location of a value within a JSON document. It uses a syntax similar to that of XPath, a language used to navigate XML documents.

JSON Path expressions consist of a series of keys or names separated by dots, square brackets, or parentheses.

For example, the JSON Path $.store.book[0].title could be used to extract the title of the first book in a JSON document that represents a store with a collection of books.

Yes, you can use Atatus Online JSON Path Evaluator tool to test JSON Path expressions. Our JSON Path Evaluator online tool allows you to apply a JSON Path expression to a JSON document and see the result of the expression. This can be helpful for verifying that the expression is correct and produces the expected results.

To use a JSON Path Evaluator, you will need to have a JSON document and a JSON Path expression. The JSON document is the data structure that you want to extract data from.

Here is an example of how you might use a JSON Path Evaluator to extract data from a JSON document:

Let's say you have the following JSON document:
{
  "store": {
    "book": [
      {
        "category": "reference",
        "author": "Nigel Rees",
        "title": "Sayings of the Century",
        "price": 8.95
      },
      {
        "category": "fiction",
        "author": "Evelyn Waugh",
        "title": "Sword of Honour",
        "price": 12.99
      },
      {
        "category": "fiction",
        "author": "Herman Melville",
        "title": "Moby Dick",
        "isbn": "0-553-21311-3",
        "price": 8.99
      },
      {
        "category": "fiction",
        "author": "J. R. R. Tolkien",
        "title": "The Lord of the Rings",
        "isbn": "0-395-19395-8",
        "price": 22.99
      }
    ],
    "bicycle": {
      "color": "red",
      "price": 19.95
    }
  },
  "expensive": 10
}

If you want to extract the title of the first book in the document, you could use the JSON Path $.store.book[0].title.

This expression consists of the keys store, book, and title, separated by dots. The key store refers to the value of the store property in the root object of the JSON document. The key book refers to the value of the book property in the store object, which is an array of objects. The key title refers to the value of the title property in the first object in the book array.

To evaluate this JSON Path expression using a JSON Path Evaluator, you would typically provide the JSON document and the expression as input to the evaluator.

The evaluator would then apply the expression to the document and displays the value of the title property in the first object in the book array, which is "Sayings of the Century" in the output text box.

JSON Path is a syntax for specifying specific nodes within a JSON document. It is commonly used to filter and extract data from a JSON document, or to modify data in a JSON document.

Here are some basic examples of JSON Path expressions:

1. $.store.book[*].author: This expression selects all author nodes that are children of book nodes, which are children of the root node store. The * wildcard indicates that all book nodes should be selected.
2. $.store.book[0,1,2]: This expression selects the first three book nodes that are children of the root node store.
3. $.store.book[?(@.price < 10)]: This expression uses a filter expression to select all book nodes that have a price child node with a value less than 10. The @ symbol refers to the current node being processed.
4. $..book: This expression uses the recursive descent operator (..) to select all book nodes in the JSON document, regardless of their position in the hierarchy.

To use an online JSON Path evaluator tool to extract data from a JSON object, you will need to follow these steps:

1. Enter or load the JSON object into the input field. This should be the entire JSON object, including the curly braces.
2. Enter the JSON Path expression that specifies the data you want to extract into the "JSON Path" field.
3. Click the "Evaluate" button to evaluate the expression and extract the data from the JSON object.
4. It will display the results of the evaluation in the output field.

No, most online JSON Path evaluator tools are not designed for beautifying JSON data. They are primarily intended for extracting data from JSON objects. If you need to beutify or validate JSON data, you may need to use a different tool such as JSON Beautifier or JSON Linter tools respectively.

JSON Path and XPath are both languages that can be used to select and extract data from structured documents. However, they have some key differences:

1. Syntax: JSON Path uses a different syntax from XPath. JSON Path expressions use $ to refer to the root element, and use square brackets to access elements, whereas XPath expressions use / to access elements and can use various types of axes to navigate the document hierarchy.
2. Data types: JSON Path expressions can only be used with JSON documents, which are a type of data structure that uses key-value pairs to represent data. XPath expressions, on the other hand, can be used with various types of documents, including XML, HTML, and others.
3. Evaluation: JSON Path expressions are evaluated using a JSON Path evaluator, which is a tool or library that is specifically designed to process JSON Path expressions. XPath expressions, on the other hand, are evaluated using an XPath evaluator, which is a tool or library that is specifically designed to process XPath expressions.

Overall, Online XPath Path Evaluator and JSON Path Evaluator are similar in that they are both used to select and extract data from structured documents.