angular-docs-cn/public/docs/js/latest/api/change_detection/ChangeDetectorRef-class.jade

p.location-badge.
  exported from <a href='../change_detection'>angular2/change_detection</a>
  defined in <a href="https://github.com/angular/angular/tree/2.0.0-alpha.36/modules/angular2/src/core/change_detection/change_detector_ref.ts#L2-L38">angular2/src/core/change_detection/change_detector_ref.ts (line 2)</a>

:markdown
  Change detection enables data binding in Angular.
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  h2 Members
  .l-sub-section
    h3 constructor

    
    pre.prettyprint
      code.
        constructor(_cd: ChangeDetector)
    
    :markdown
      




  .l-sub-section
    h3 markForCheck

    
    pre.prettyprint
      code.
        markForCheck()
    
    :markdown
      Request to check all OnPush ancestors.
      
      





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    h3 detach

    
    pre.prettyprint
      code.
        detach()
    
    :markdown
      Detaches the change detector from the change detector tree.
      
      The detached change detector will not be checked until it is reattached.
      
      





  .l-sub-section
    h3 reattach

    
    pre.prettyprint
      code.
        reattach()
    
    :markdown
      Reattach the change detector to the change detector tree.
      
      This also requests a check of this change detector. This reattached change detector will be
      checked during the next change detection run.