Native Validation Attributes
<input type="text" name="username" minlength="3" maxlength="20" required />
<input type="number" name="seats" min="1" max="50" step="1" />
Key Attributes
| Attribute | Purpose |
|---|---|
required | Mandatory field |
minlength / maxlength | Text length bounds |
min / max | Numeric or date bounds |
pattern | Text rule |
Rule
Use native validation, but still validate on the server.