angular.scope.$eval

Description

Without the exp parameter triggers an eval cycle, for this scope and it's child scopes.

With the exp parameter, compiles the expression to a function and calls it with this set to the current scope and returns the result.

Example

         var scope = angular.scope();
         scope.a = 1;
         scope.b = 2;

         expect(scope.$eval('a+b')).toEqual(3);
         expect(scope.$eval(function(){ return this.a + this.b; })).toEqual(3);

         scope.$onEval('sum = a+b');
         expect(scope.sum).toEqual(undefined);
         scope.$eval();
         expect(scope.sum).toEqual(3);
       

Usage

Parameters

• exp – {(string|function())=} – An angular expression to be compiled to a function or a js function.

Returns