json check if key exists 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: check if json obj exists

if(thisSession.hasOwnProperty('merchant_id')){

}

Example 3: python json check if key exists

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

Example 4: python json check if key exist

if 'to' not in data:
    raise ValueError("No target in given data")
if 'data' not in data['to']:
    raise ValueError("No data for target")

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Typescript Example

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