Total Blog Posts: 2
When using the native JavaScript XMLHttpRequest object you use callbacks for completion or error handling. Promises are a better mechanism for working with asynchronous calls today. In this blog post you learn to create your own wrapper around the XMLHttpRequest object so you can use a Promise instead of callbacks.)
In this blog you use JavaScript and the XMLHttpRequest object to communicate from a client web page to a .NET Core Web API server. You are going to build a set of functions necessary to read and modify product data contained in a SQL Server table. Each of these functions use JavaScript, XMLHttpRequest and callback functions to accomplish these goals.)