ur:(Dom.focusEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on_click:(Dom.mouseEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on_copy:(Dom.clipboardEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on_cut:(Dom.clipboardEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on_dblclick:(Dom.mouseEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on_drag:(Dom.dragEvent <span>&#45;&gt;</span> unit) <span>&#45;&gt;</span> ?&#8288;on