DoneJS StealJS jQuery++ FuncUnit DocumentJS
3.14.1
5.0.0 4.3.0 2.3.35
  • About
  • Guides
  • API Docs
  • Community
  • Contributing
  • Bitovi
    • Bitovi.com
    • Blog
    • Design
    • Development
    • Training
    • Open Source
    • About
    • Contact Us
  • About
  • Guides
  • API Docs
    • Observables
      • can-compute
      • can-define
      • can-define/list/list
      • can-define/map/map
      • can-define-stream
      • can-define-stream-kefir
      • can-event
      • can-event/async/async
      • can-event/batch/batch
      • can-event/lifecycle/lifecycle
      • can-kefir
      • can-list
        • Prototype
          • attr
          • concat
          • each
          • filter
          • forEach
          • indexOf
          • join
          • map
          • pop
          • push
          • replace
          • reverse
          • shift
          • slice
          • splice
          • unshift
        • Static
          • Map
          • extend
      • can-map
      • can-map-backup
      • can-map-define
      • can-observation
      • can-observe
      • can-simple-map
      • can-simple-observable
      • can-stream
      • can-stream-kefir
    • Data Modeling
      • can-connect
      • can-connect-cloneable
      • can-connect-feathers
      • can-connect-ndjson
      • can-connect-signalr
      • can-fixture
      • can-fixture-socket
      • can-ndjson-stream
      • can-set
    • Views
      • can-component
      • can-ejs
      • can-element
      • can-react-component
      • can-stache
      • can-stache/helpers/route
      • can-stache-bindings
      • can-stache-converters
      • can-view-autorender
      • can-view-callbacks
      • can-view-href
      • can-view-import
      • can-view-live
      • can-view-model
      • can-view-nodelist
      • can-view-parser
      • can-view-scope
      • can-view-target
      • react-view-model
      • react-view-model/component
      • steal-stache
    • Routing
      • can-deparam
      • can-param
      • can-route
      • can-route-pushstate
    • JS Utilities
      • can-assign
      • can-define-lazy-value
      • can-globals
      • can-key-tree
      • can-make-map
      • can-parse-uri
      • can-string
      • can-string-to-any
      • can-util
      • can-zone
      • can-zone-storage
    • DOM Utilities
      • can-ajax
      • can-attribute-encoder
      • can-control
      • can-dom-events
      • can-event-dom-enter
      • can-event-dom-radiochange
      • can-jquery
    • Data Validation
      • can-define-validate-validatejs
      • can-validate
      • can-validate-interface
      • can-validate-legacy
      • can-validate-validatejs
    • Typed Data
      • can-cid
      • can-construct
      • can-construct-super
      • can-namespace
      • can-reflect
      • can-reflect-promise
      • can-types
    • Polyfills
      • can-symbol
      • can-vdom
    • Core
    • Infrastructure
      • can-global
      • can-test-helpers
    • Ecosystem
    • Legacy
  • Community
  • Contributing
  • GitHub
  • Twitter
  • Chat
  • Forum
  • News
Bitovi

shift

  • Edit on GitHub

Remove en element from the front of a list.

list.shift()

shift removes an element from the beginning of a List.

Returns

{*}:

the element just shifted off the List, or undefined if the List is empty

shift is the opposite action from unshift:

var list = new List(['Alice']);

list.unshift('Bob', 'Eve');
list.attr(); // ['Bob', 'Eve', 'Alice']

list.shift(); // 'Bob'
list.shift(); // 'Eve'
list.shift(); // 'Alice'
list.shift(); // undefined

Events

pop causes change, remove, and length events to be fired if the List is not empty when it is called.

See also

shift has a counterpart in unshift, or you may be looking for push and its counterpart pop.

CanJS is part of DoneJS. Created and maintained by the core DoneJS team and Bitovi. Currently 3.14.1.

On this page

Get help

  • Chat with us
  • File an issue
  • Ask questions
  • Read latest news