Results for “if”
Small, practical examples. Search by task or narrow things down below.
Represent removed and inserted text
HTML: Del and ins record a textual change while retaining both versions in the document.
HTML✓ Tested
Require a checkbox to be selected
HTML: A required checkbox is invalid until that individual control is checked.
HTML✓ Tested
Require a form field
HTML: Learn how to require a form field in a complete browser example.
HTML✓ Tested
Require a nonempty text value
HTML: The required attribute makes an empty text control fail native constraint validation.
HTML✓ Tested
Require a value with NOT NULL
SQL: Declare required fields at the database boundary, not only in application validation.
SQL✓ Tested
Require a value with NOT NULL
SQL Server: Declare required fields at the database boundary, not only in application validation.
SQL Server✓ Tested
Require a value with NOT NULL
Postgres: Declare required fields at the database boundary, not only in application validation.
Postgres✓ Tested
Require a value with NOT NULL
SQLite: Declare required fields at the database boundary, not only in application validation.
SQLite✓ Tested
Require numeric values on a chosen step
HTML: The step interval is measured from the minimum value when one is provided.
HTML✓ Tested
Require two filtering conditions
SQL: Combine category and quantity conditions with AND.
SQL✓ Tested
Require two filtering conditions
SQL Server: Combine category and quantity conditions with AND.
SQL Server✓ Tested
Require two filtering conditions
Postgres: Combine category and quantity conditions with AND.
Postgres✓ Tested