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Platt is currently reading it Mar 22, Jason is currently reading it Aug 28, Godzillacore added it Jan 31, Vicky is currently reading it Apr 14, Racheal Portillo is currently reading it Apr 23, Juliana marked it as to-read Apr 25, Beth Lloyd is currently reading it May 14, This brings us a better option for interacting Alpaca with backend services. As shown in the following example, we can specify a click handler for any of our form buttons.
The handler has a this set to the form instance which we can use to call getValue as well manually run validation, check validation state and execute any other form methods we'd like. The form instance exposes a method called submit to post the form as well as a method called ajaxSubmit that will submit behind the scenes and hand back a jQuery promise object.
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We also can use a postRender callback to get a hold of the rendered form object once it has been drawn to the screen. We can use this to hook in additional event listeners, change CSS or bind other parts of the DOM to our form for interactivity. For developers, this will be the place to do any required post-processing since Alpaca will feed the callback function with the top-most form control that it constructs.
So How do I get started in to the alpaca business
Alpaca is a client-side forms engine which means form rendition and data processing all happen on client side e. This provides a great foundation for high performance and scalability since JSON is the native data format that all browsers understand and it is the easiest format for data manipulation. Once the jQuery and Alpaca library are downloaded and cached on client side, there will be no other overhead.
Plugging Alpaca into your existing application should be fairly straightforward. All you need to do is to provide an endpoint for serving Alpaca with data in JSON and another endpoint for taking re-assembled JSON document with user inputs from Alpaca for data persistence. Most modern day backend systems may already have those two endpoints.
Getting started :: Bag End Suri Alpacas of Maine, LLC
As illustrated by the above examples, using Alpaca is mainly through configuration rather than coding. Since schema and options parameters are also JSON documents, they can be stored in and served by your back systems as well. Toggle navigation Alpaca Forms. Getting Started with Alpaca.
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So far so good. Of course, the page doesn't do much yet. Let's add in a form!