Merge pull request #5133 from maglar0/master

React: Support for defaultValue in HTMLAttributes

react/react.d.ts

@@ -430,6 +430,8 @@ declare module __React {
         crossOrigin?: string;
         data?: string;
         dateTime?: string;
+        defaultChecked?: boolean;
+        defaultValue?: string;
         defer?: boolean;
         dir?: string;
         disabled?: boolean;