angularjs - What magic does ngModel use that modifying the scope directly does not? -

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Learning Angulius for the moment, and I'm confused about how I can accomplish a task because of me completely Do not understand NgModel is doing it.

If I have instructions with two scope variables: 

  // An array of all my objects $ scope.allMyObjects // Currently the selected object array $ radius Selected object   
 and html  
  & lt; Span & gt; {{SelectedObject.name}} & lt; / Span & gt; & Lt; Select ID = "Select" ng-model = "selected object" ng-options = "all objects in object" & gt; & Lt; / Select & gt;   
 All this works perfectly, when I select from selecting an object, it updates the  selected object  on the scope and therefore the current The name of the selected object is displayed in  
 However, I do not want a select box, instead I want a list of all items with an editable name field, with a select button that I can use to select the specified object , So I came up with the following:  
  & lt; Div ng-repeat = "objects in all objects" & gt; & Lt; Input class = "object-name" ng-model = "object.name" & gt; & Lt; An NG-Click = "Load Object (Object)" & gt; Load & lt; / A & gt; & Lt; / Div & gt;   
 and on the scope  loadObject ()  function:  
  function loadObject (object) {$ scope.selectedObject = object; }   
 However, it does not work, I assumed it was basically what was enngode behind the scenes, but it is clearly confused. Does anyone have to give some light or do I have to provide better solution for what I want to achieve?   
 
 
 please see here:  
 instead of "sc.name"  
  & quot; Div ng-repeat = "Object in all objects" name "ng-model =" object.name "Use & gt; & lt; input class =" object-name "ng-model =" object.name "& gt;   >

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