What Is Two-Way Binding in Angular?
Two-way binding allows users to input data from the HTMLfile and send it to the TypeScript file and back. This is useful for input validation, manipulation, and more.
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How Can You Use Two-Way Binding?
Two-way binding in Angular apps is usually set in the.htmlfile, using thengModeldirective. Two-way binding in an input form can look something like this:
In the.tsfile, theemailAddressvariable is bound to the emailAddress from the form.
How to Set Up an Example Form in an Angular App
By building a basic app, it’s possible to use two-way binding to check whether a potential username already exists.
Sending Data Between the HTML and TypeScript Files
Use two-way binding to send data to your.tsfile and back to the.htmlfile. This is possible with the use ofngModelin the form’sinputtags.
Using Two-Way Binding to Send Data When Developing an Application
Two-way binding is useful for validation, checks, calculations, and more. It allows components to communicate and share data in real-time.
You can use features of two-way binding in various parts of an app. Once you receive the data from the user, you can execute business logic and inform the user of the results.
Sometimes, you’d want to store the user’s data in a database. You can explore different types of database providers you can use, including the Firebase NoSQL Database.
Establish a connect with a Firebase database from Angular and manage your data with this guide.
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