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Merged
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Dec 18, 2023
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Document diffJson() options #332

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Document diffJson() options
cincodenada Oct 25, 2021
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Tweaks: fix run-on sentences; backtick JSON.stringify; name the JSON.…
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Correct docs about how stringifyReplacer & undefinedReplacement interact
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4 changes: 4 additions & 0 deletions README.md
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Expand Up @@ -56,6 +56,10 @@ npm install diff --save
* `Diff.diffJson(oldObj, newObj[, options])` - diffs two JSON objects, comparing the fields defined on each. The order of fields, etc does not matter in this comparison.

Returns a list of [change objects](#change-objects).

Options
* `stringifyReplacer`: A custom replacer function. Operates similarly to the `replacer` parameter to [`JSON.stringify()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#the_replacer_parameter), but must be a function.
* `undefinedReplacement`: A value to replace `undefined` with. Ignored if a `stringifyReplacer` is provided.

* `Diff.diffArrays(oldArr, newArr[, options])` - diffs two arrays, comparing each item for strict equality (===).

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