Mainly Cross-Origin Resource Sharing (CORS). Loading publicly accessible APIs from the frontend during development presents some problems. You'll be a better programmer for it, trust me. With that said, please don't copy and paste the code from this tutorial. While it's nice to see our outcomes immediately the reward comes from understanding what we are doing. When we copy code without understanding it, we have a lesser chance of understanding what is happening. Typing code versus copypasta provides a better learning return on investment because we're practicing instead of just reading. I am a very big believer in typing code out that you intend to use for anything. ✅ A code editor (I'm using VS Code) I will do my best to show everything else. npm i -g netlify-cli or yarn add netlify-cli ✅ For the above three steps this overview of React by Tania Rascia is a great start. ✅ Yarn or npm & Nodejs installed globally. ✅ A basic understanding of HTML, CSS, and JavaScript. □ Process zip code to xml data and request to API □ Use Netlify Dev to create a serverless function □ Fetch API to GET items from the serverless function □ Add animation as the API "loads" the city and state. □ If the zipcode is valid, display city and state in the city/state input boxes. □ Determine if entered zipcode is 5-digits. □ Build a tool using React to fetch the city and state of user based on zipcode. Here is what we are going to be building: I immediately thought, "How hard can it be to make my own zip code API for our use?" It appears it's not hard to get the basic functionality using the United States Postal Service's Web Tools, a 100% free, U.S. Here at Vets Who Code, we like to build our own tools. One was to use ZipCodeAPI but they charge for more than 10 requests per hour, and I am not in a position to pay for their service. Postal Code (Applicants are all veterans of US Forces). I thought a good idea would to make the city and state self populate based on a user's U.S. Who likes filling in forms? Umm, nobody! Using this thought process, I began to research what can I do to make an applicant form at the Vets Who Code website easier to use. A form with good UX is easy to understand and easy to use. You have to pay attention to accessibility, ease of use, and convenience. User experience applies to every part of a website, including forms.
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