function(idx, amt, objects) {

    if (this.isFrozen) throw Ember.FROZEN_ERROR;

    // if we replaced exactly the same number of items, then pass only the
    // replaced range. Otherwise, pass the full remaining array length
    // since everything has shifted
    var len = objects ? get(objects, 'length') : 0;
    this.arrayContentWillChange(idx, amt, len);

    if (len === 0) {
      this.splice(idx, amt);
    } else {
      replace(this, idx, amt, objects);
    }

    this.arrayContentDidChange(idx, amt, len);
    return this;
  }
function(idx, amt, objects) {

    if (this.isFrozen) throw Ember.FROZEN_ERROR;

    // if we replaced exactly the same number of items, then pass only the
    // replaced range. Otherwise, pass the full remaining array length
    // since everything has shifted
    var len = objects ? get(objects, 'length') : 0;
    this.arrayContentWillChange(idx, amt, len);

    if (len === 0) {
      this.splice(idx, amt);
    } else {
      replace(this, idx, amt, objects);
    }

    this.arrayContentDidChange(idx, amt, len);
    return this;
  }
function ( idx , amt , objects ) { if ( this . isFrozen ) throw Ember . FROZEN_ERROR ; // if we replaced exactly the same number of items, then pass only the // replaced range. Otherwise, pass the full remaining array length // since everything has shifted var len = objects ? get ( objects , 'length' ) : 0 ; this . arrayContentWillChange ( idx , amt , len ) ; if ( len === 0 ) { this . splice ( idx , amt ) ; } else { replace ( this , idx , amt , objects ) ; } this . arrayContentDidChange ( idx , amt , len ) ; return this ; }
primitive for array support.
primitive for array support .