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DART Essentials

DART Essentials

By : Sikora
4.8 (4)
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DART Essentials

DART Essentials

4.8 (4)
By: Sikora

Overview of this book

This book is targeted at expert programmers in JavaScript who want to learn Dart quickly. Some previous experience with OOP programming in other languages and a good knowledge of JavaScript are assumed.
Table of Contents (11 chapters)
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10
Index

Two-way data binding


Now, we'll take a look at two-way data binding, which usually goes hand-in-hand with forms.

In one-way data binding, we embedded the instance's property into the HTML template. The direction went only from the instance to the HTML.

But with form input fields, we can propagate its values from the HTML input to instance properties and back to HTML. In other words, you can change the instance's property by changing the input value, but you can also change the input value by changing the instance's property. This is why it's called two-way binding.

Better still, let's create an example. We'll create a page that includes the <my-form> custom element:

<!-- web/index.html -->
<html>
  <head>
    <script async src="packages/browser/dart.js"></script>
    <link rel="import" href="my-form.html">
  </head>
  <body>
    <my-form></my-form>
    <script type="application/dart" src="main.dart"></script>
  &lt...

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