This tutorial is for all of you who have not worked with the Fetch API yet. In the following steps we're going to cover the Fetch API basics and learn to perform HTTP GET and POST requests with that API by implementing practical examples.
In the previous Svelte 3 Quickstart Tutorial we have covered the framework basics. Now it is time to go one step further and apply this knowledge to build a complete Svelte 3 todo application from start to finish.
If you are a web developer you have most probably worked with frameworks like Angular, React, Vue in recent months. Now a new star is arising which is gaining traction very fast and is for sure an alternative to these framework: Svelte!
In general JavaScript is running code in a non-blocking way. This means that code which is is taking some time to finish (like accessing an API, reading content from the local file system etc.) is being executed in the background and in parallel the code execution is continued. This behaviour is being described by term asynchronous programming.
In the last part we've connected the first pieces of the React front-end application to the back-end. However, some pieces are still missing. In this last part of this tutorial series we're going to further complete our front-end application so that the user will also be able to edit todo items and set todo items to completed.