How to scroll to top in IOS7 UITableView?

Question

In IOS6 I have the following code to scroll to the top of a UITableView

[tableView setContentOffset:CGPointZero animated:YES];

In IOS7 this

Answer 1

Swift 4 UITableViewExtension:

func scrollToTop(animated: Bool) {
    if numberOfSections > 0 {
        let topIndexPath = IndexPath(row: NSNotFound, section: 0)
        scrollToRow(at: topIndexPath, at: .top, animated: animated)
    }
}