check if json key exists in object code example

Example 1: check if key exists in json typescript

if (cell.hasOwnProperty('Relationships')) {
	console.log("Key Found!!");
}
else {
	console.log("Not Found.");
}

Example 2: python json check if key exists

import json
  if 'id' not in dest:
      dest['id'] = -1
    targetId = dest['id']

Example 3: python check if key exist in json

json_string = """{"a": 1, "b": 2, "c": 3}"""
a_dictionary = json.loads(json_string)

b_in_dict =  "b" in a_dictionary