2. Counters!
We retrieved a static HTML snippet in the previous sample and replaced an element on the page, but what about maintaining the application state? We'll increment a counter on the server in this sample while updating our UI to reflect the change. This time around, we'll use the POST action to show that HTMX supports most HTTP methods.
To accomplish the incrementing feature, we'll need to modify the following button. Similar to our Hello, World sample, it's a matter of a few attributes. The only difference is that we have a bit more server-side logic involved in maintaining the current count in this case.
Give it a try!
Hint: You'll need to use hx attributes of hx-post and hx-target. For the backend ASP.NET Core code, check out the 1_Counter.cshtml.cs file.
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Note: We reset the count on page refreshes since we store the value in a static variable. Storage is an implementation detail, and you could keep the incremented value in a database for less volatility.