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Is Object Empty
Given an object or an array, return if it is empty.
Given an object or an array, return if it is empty.
You may assume the object or array is the output of JSON.parse.
Example 1
Input: obj = {"x": 5, "y": 42}
Output: false
Explanation: The object has 2 key-value pairs so it is not empty.
Example 2
Input: obj = {}
Output: true
Explanation: The object doesn't have any key-value pairs so it is empty.
Example 3
Input: obj = [null, false, 0]
Output: false
Explanation: The array has 3 elements so it is not empty.
Constraints
- obj is a valid JSON object or array
- 2 <= JSON.stringify(obj).length <= 10^5
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