Is there a way to find Edge Webview2 specified JS APIs, that are not a part of standard Javascript?
WebView2 has two sets of JavaScript APIs that are described in the reference docs:
CoreWebView2.WebMessageReceived and CoreWebView2.PostWebMessageAsJson describe the JavaScript APIs to post and receive messages to and from the CoreWebView2:
chrome.webview.postMessage functionchrome.webview.addEventListener('message', ...) event.CoreWebView2.AddHostObjectToScript describes the various JavaScript proxy objects for interacting with host objects added via that method:
chrome.webview.hostObjects