try {
  const data = JSON.parse(invalidJson);
} catch (error) {
  console.error('Parsing failed:', error.message);
} finally {
  console.log('Always runs, error or not');
}

• try holds code that might throw
• catch runs only if an error was thrown, receiving the Error object
• finally always runs — great for cleanup like closing a connection
• try/catch does NOT catch errors inside setTimeout or Promise callbacks unless you await/catch them there too