The array of json objects is deduplicated by field
Deduplicate the array of JSON objects according to the specified primitive type field, and keep the first record.
The array of json objects is deduplicated by field User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- The two records with ID 1 only keep the first one, and the number 1 and the string 1 are reserved respectively.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Serializes the type with the JSON value of the field, keeping the first appearance order.
scope of use
Each record must have a specified field, and the field cannot be an object or an array; no approximate match is performed.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Each record must have a specified field, and the field cannot be an object or an array; no approximate match is performed. Please compare the input unit, rounding method, applicable rules and data version first.



