CSS Selector Parser Playground

About css-selector-parser

Version: 3.2.0

Syntax Levels

• css1 - CSS Level 1 (basic selectors)
• css2 - CSS Level 2 (+ pseudo-classes, combinators)
• css3 / selectors-3 - Selectors Level 3 (+ :nth-child, etc.)
• selectors-4 - Selectors Level 4 (+ :is, :where, :has)
• latest - Latest specification
• progressive - Latest + accepts unknown pseudo-classes/elements

Available CSS Modules

• css-position-4 - Position pseudo-classes
• css-scoping-1 - :host, :host-context(), ::slotted()
• css-pseudo-4 - ::selection, ::backdrop, ::marker
• css-shadow-parts-1 - ::part()
• css-nesting-1 - & nesting selector

Configuration Options

• syntax - CSS syntax level to use
• strict - Enable strict parsing (throw on errors)
• substitutes - Allow variable syntax like $var
• modules - Array of CSS modules to enable