exists #

Checks if the document exists in Kuzzle.

exists([options], callback) #

Arguments	Type	Description
`options`	JSON Object	Optional parameters
`callback`	function	Callback handling the response

Option	Type	Description	Default
`queuable`	boolean	Make this request queuable or not	`true`

Return a boolean indicating whether or not the document exists in Kuzzle.

// Using callbacks (NodeJS or Web Browser)
document.exists(function (error, exists) {
  // called once the exists check has been completed
});