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const fs = require('fs');
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const dataBuffer = fs.readFileSync('1-json.json');
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const dataJSON = dataBuffer.toString();
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const data = JSON.parse(dataJSON);
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data.name = 'Jason';
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data.age = 38;
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const newJSON = JSON.stringify(data);
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fs.writeFileSync('1-json.json', newJSON);
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