BackendBeginner Friendly

What is Validation?

Checking that data meets requirements before processing it

Why It Matters

Validation prevents errors and security issues by rejecting bad data early

Checking that an email address contains an @ symbol before saving it

Cleaning user input to remove potentially harmful content

Code that gracefully manages problems instead of crashing or showing confusing messages

A blueprint that defines the structure of your data, including fields and their types

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Code that gracefully manages problems instead of crashing or showing confusing messages

A blueprint that defines the structure of your data, including fields and their types

Cleaning user input to remove potentially harmful content

The behind-the-scenes part of an application that handles data, logic, and communication with databases

A scheduled task that runs automatically at specific times or intervals

A task that runs behind the scenes without making users wait for it to complete