Angular 4

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Reply to this email directly or view it on GitHub:. Step-3: On form submit we can fetch multiple selected values. I think that's an angular 1 thing. The default option must have an empty string as its value.

Expected behavior I'd expect the field to be empty initially. However, when I continue after the breakpoint, the dropdownlist resets to its default value. Step-1: Import FormsModule using imports metadata of NgModule decorator in application module.

How to set the initial value of a select element using AngularJS ng

Have a question about this project. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Side note: Manually selecting the already displayed value does not set the Angular 4 select default value value either. To select this option one must first select a different option and then the first one again, only then the value property is correctly set. Expected behavior I'd expect the field to be empty initially. If this cannot be done, I'd at least expect the FormControl's value property to be set correctly reflecting the displayed value. It is actually worse if the select box contains only one element. The option looks like selected, although it isn't in the model. If the select is required, it is not possible to get the form into valid state. I have made another that shows how to reproduce it in template based forms. Please note that the problem occurs only if the option values are set delayed. This is interesting as the example of does set the option values immediately and the bug still shows up. option This will display a blank option while no value is set, which disappears as soon as another value is selected. With this commit, Internet Explorer now matches the behavior of modern browsers, and only shows an option as selected when it has a value matching the select element's ngModel. With this commit, Internet Explorer now behaves the same as modern browsers, only showing an option as selected when its value matches the select element's ngModel.

Anyway, the idea is that when you use an object for the ngModel, you can use ngValue and it works well. It can even bind the options to objects in the array, not just string values. It's possible for the identities of items to change while the data does not. By setting breakpoints, I could see that the dropdownlist does show the restored value, and onSelect is called after the select is triggered. Notice that the myoptions array contains two elements cat and dog while the third button sets myvar to a different value fish. You just need to use the exact same object instance in the model as in the options. We will bind a method with compareWith to change default logic of object comparison. It writes values and listen changes for select element. Here are the examples: myModel json {{i. I'm not sure if my problem is with the component or if there's something wrong with my understanding of when things should be fired.