SDK Javascript v5.x

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zrevrank #

Returns the position of an element in a sorted set, with scores in descending order. The index returned is 0-based (the lowest score member has an index of 0).

[Redis documentation] (opens new window)

zrevrank(key, member, [options], callback) #

Arguments Type Description
key string Key identifier
member string Member of the sorted set
options JSON Object Optional parameters
callback function Callback

Options #

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

Callback Response #

Returns an integer containing the member's position in the sorted set.

Usage #

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.zrevrank('key', 'foo', function (err, position) {
  // callback called once the action has completed
// Using promises (NodeJS only)
kuzzle.memoryStorage.zrevrankPromise('key', 'foo')
  .then(position => {
    // resolved once the action has completed

Callback response:

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