I would like to bind a property (flag_baz in this case) from a JSONModel to a checkbox. Thing is that the json model looks like this.  {   foo: "Foo",    bar:"Bar",    flag_baz : "X" }   in this case X means "true" and...
I'd like to do two-way data binding on not initialized object. It looks like this:  host-element.html  <template>   <profile-basics-editor profile="{{profile}}"></profile-basics-editor> </template>   JS:  Polymer({...
I'm now testing backbone stickit for two-way data binding. Is there a way to revert the changes, for example, while editing a model data through a form, the user press the cancel button, as in the pic below    It seems the model was changed on th...
I know a lot of the big name MVC, M** style JavaScript frameworks allow 2-way binding with Observables.  Meaning if I:     Update a DOM input filed, it will also update a JavaScript object variable which could also save to server with AJAX request....
im confused about 2 way data binding in angular. Look at the code! the var bah can access parent object $scope.something but when i click the button, the value in controller changed to false but not in directive. whats wrong? is that a bug?  how to s...
I am currently facing the following problem. I have a textarea and I want not only to limit the size of the textarea with the default attributes rows and cols, but I also want to prevent the user from entering more characters than the ones defined in...
I wanted to implement Two-way Data Binding in my component following this tutorial: https://blog.thoughtram.io/angular/2016/10/13/two-way-data-binding-in-angular-2.html . It works, but I discovered that after every change the setter is called twice w...
I’m having some difficulties when using the data binding system to keep two arrays with a one-to-many relationship in sync.   The basic app idea is that I need to edit photos. Each photo may be present inside many slots.  Objective  Given two array...
I am working on an app with a directive that gets fed an array and then displays that array in a table. The data in the table never needs to be edited. However, users are able to search and filter the table results, at which time the entire data arra...
I want a list of text inputs that are in sync with a list of values I have in the backend. So typing into them updates the values, and updates to the values reflect in the text inputs.  This is a typical 2-way binding situation with something like th...

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