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## Resource: $w

## Namespace: gallery

## Article: Introduction

## Article Link: https://dev.wix.com/docs/velo/velo-only-apis/$w/gallery/introduction.md

## Article Content:

# Introduction
There are many different types and styles of galleries, some of which do not
 support all of the properties and functions described below. To determine
 what functionality a specific gallery supports, use its
 [`galleryCapabilities`](#galleryCapabilities) property to identify its
 capabilities. Then use the list below to determine what functionality is
 supported by the gallery.

 + All galleries
   + [`clickAction`](#clickAction)
   + [`collapsed`](#collapsed)
   + [`galleryCapabilities`](#galleryCapabilities)
   + [`global`](#global)
   + [`hidden`](#hidden)
   + [`id`](#id)
   + [`items`](#items)
   + [`isVisible`](#isVisible)
   + [`parent`](#parent)
   + [`rendered`](#rendered)
   + [`type`](#type)
   + [`collapse()`](#collapse)
   + [`expand()`](#expand)
   + [`hide()`](#hide)
   + [`onClick()`](#onClick)
   + [`onDblClick()`](#onDblClick)
   + [`onItemClicked()`](#onItemClicked)
   + [`onMouseIn()`](#onMouseIn)
   + [`onMouseOut()`](#onMouseOut)
   + [`onViewportEnter()`](#onViewportEnter)
   + [`onViewportLeave()`](#onViewportLeave)
   + [`scrollTo()`](#scrollTo)
   + [`show()`](#show)
 + Galleries where `hasCurrentItem` is `true`
   + [`currentIndex`](#currentIndex)
   + [`currentItem`](#currentItem)
   + [`onCurrentItemChanged()`](#onCurrentItemChanged)
 + Galleries where `isPlayable` is `true`
   + [`isPlaying`](#isPlaying)
   + [`next()`](#next)
   + [`onPause()`](#onPause)
   + [`onPlay()`](#onPlay)
   + [`pause()`](#pause)
   + [`play()`](#play)
   + [`previous()`](#previous)
 + Galleries where `hasNavigationButtons` is `true`
   + [`showNavigationButtons`](#showNavigationButtons)