Select Relations jQuery Plugin Examples

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A lightweight jQuery cascading dropdown plugin that automatically filters select options based on what you choose in the previous dropdown.

This plugin creates dependencies where one field's options control others using logical operators: & (AND), | (OR), and () (Grouping).

Example 1: Simple AND Logic

Select both Country AND City to see available hotels.

Example 2: OR Logic

Services are available in multiple countries (e.g., USA or Canada).

Example 3: Parenthesis Grouping

Complex rule: (USA & Premium) OR Membership.

Example 4: Real-World Scenario

A complete vehicle configurator with mixed logic.