Notes, great finds, and more about SharePoint solutions, JavaScript, React, and more.
http://sharepoint.stackexchange.com/questions/143025/get-item-version-history-in-a-dialog-box-on-a-webpart
Check out the following example which uses JavaScript to access and modify the UserCustomActions collection on your site collection: Inject JavaScripts into your master page with client-side scripts
Useful snippet for SharePoint forms for binding various event handlers to the Submit button. var handlerArray = Array[]; function RegisterButtonClickHandlers(handlerArray) for (var x = 0; x < handlerArray.length; x++) { var handler = handlerArray[x]; submitButton.addEventListener("click", handler): } }