Overview
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Explore how to validate data on the server using a REST API developed with Node.js and Express. The API will allow you to create a user account and retrieve a list of user accounts.
Syllabus
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The Importance of Data Validation
As developers, we should strive to create applications that ensure that data created and updated by our users is useful.
Chevron 6 steps- instruction
What is Data Validation?
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Get Started with the Project
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Review the Routes
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Test the Routes
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Further Testing the New User Account Route
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Data Validation Review
5 questions
Validating Data
Define data validation for required fields to ensure that new users provide those values. And learn ways to go further with validation using a data validation library or an object-relational mapping library (ORM) like Sequelize.
Chevron 7 steps- instruction
Define Data Validation Requirements
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Return Validation Error Messages
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Test Validation Rules in Postman
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Format Validation Error Messages
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Explore Data Validation Types
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Next Steps: Expand Data Validation Requirements
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Validating Data Review
5 questions
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