Results for “Form behavior”
Small, practical examples. Search by task or narrow things down below.
Reject a deferred result
jQuery: fail receives the reason supplied to reject.
jQuery✓ Tested
Reject a negative quantity with CHECK
SQL: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQL✓ Tested
Reject a negative quantity with CHECK
SQL Server: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQL Server✓ Tested
Reject a negative quantity with CHECK
Postgres: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
Postgres✓ Tested
Reject a negative quantity with CHECK
SQLite: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQLite✓ Tested
Reject an unsupported settings version
Arduino / C: A version byte lets firmware fall back when stored settings use another format.
Arduino / C✓ Tested
Reject duplicate business identifiers
SQL: A UNIQUE constraint protects a business key independently of the primary key.
SQL✓ Tested
Reject duplicate business identifiers
SQL Server: A UNIQUE constraint protects a business key independently of the primary key.
SQL Server✓ Tested
Reject duplicate business identifiers
Postgres: A UNIQUE constraint protects a business key independently of the primary key.
Postgres✓ Tested
Reject duplicate business identifiers
SQLite: A UNIQUE constraint protects a business key independently of the primary key.
SQLite✓ Tested
Remember the previously committed value
Remember the previously committed value with a small React component and explicit browser behavior.
React✓ Tested
Remove a CSS class
jQuery: Learn how to remove a CSS class in a complete browser example.
jQuery✓ Tested