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<hello-world> <input data-target="hello-world.name" type="text"> <button data-action="click:hello-world#greet"> Greet </button> <span data-target="hello-world.output"> </span> </hello-world> import { controller, target } from "@github/catalyst" @controller class HelloWorldElement extends HTMLElement { @target name: HTMLElement @target output: HTMLElement greet() { this.output.textContent = `Hello,

Fetch This documents the polyfillable parts of the WHATWG Fetch standard. See Caveats for notable exceptions. Usage synopsis (use the argument links to find out more): fetch(url, options).then(function(response) { // handle HTTP response }, function(error) { // handle network error }) More comprehensive usage example: fetch(url, { method: "POST", body: JSON.stringify(data), headers: { "Content-Typ