js/libs/ember-1.5.1.js
function(buffer, attributeBindings) {
    var attributeValue,
        unspecifiedAttributeBindings = this._unspecifiedAttributeBindings = this._unspecifiedAttributeBindings || {};

    a_forEach(attributeBindings, function(binding) {
      var split = binding.split(':'),
          property = split[0],
          attributeName = split[1] || property;

      if (property in this) {
        this._setupAttributeBindingObservation(property, attributeName);

        // Determine the current value and add it to the render buffer
        // if necessary.
        attributeValue = get(this, property);
        Ember.View.applyAttributeBindings(buffer, attributeName, attributeValue);
      } else {
        unspecifiedAttributeBindings[property] = attributeName;
      }
    }, this);

    // Lazily setup setUnknownProperty after attributeBindings are initially applied
    this.setUnknownProperty = this._setUnknownProperty;
  }
function(buffer, attributeBindings) {
    var attributeValue,
        unspecifiedAttributeBindings = this._unspecifiedAttributeBindings = this._unspecifiedAttributeBindings || {};

    a_forEach(attributeBindings, function(binding) {
      var split = binding.split(':'),
          property = split[0],
          attributeName = split[1] || property;

      if (property in this) {
        this._setupAttributeBindingObservation(property, attributeName);

        // Determine the current value and add it to the render buffer
        // if necessary.
        attributeValue = get(this, property);
        Ember.View.applyAttributeBindings(buffer, attributeName, attributeValue);
      } else {
        unspecifiedAttributeBindings[property] = attributeName;
      }
    }, this);

    // Lazily setup setUnknownProperty after attributeBindings are initially applied
    this.setUnknownProperty = this._setUnknownProperty;
  }
Iterates through the view's attribute bindings, sets up observers for each,
then applies the current value of the attributes to the passed render buffer.

@method _applyAttributeBindings
@param {Ember.RenderBuffer} buffer
@private