Handling Parse Errors

Invalid JSON will throw a SyntaxError. Learning to handle these errors gracefully is essential for robust applications.

Common JSON Errors

Try-Catch Pattern

Always wrap JSON.parse() in try-catch for untrusted input:

Providing Default Values

Validating JSON Structure

Exercise: Safe Parse

Exercise: Error Message

Key Points

• JSON.parse() throws SyntaxError on invalid input
• Always use try-catch with untrusted data
• Provide sensible default values
• Validate structure after parsing
• Consider creating reusable safe parse utilities