function copyUrl () { var div = document.getElementById('xxxx'); if (document.body.createTextRange) { var range = document.body.createTextRange(); range.moveToElementText(div); range.select(); } else if (window.getSelection) { var selection = window.…
iOS Programming View and View Hierarchy 视图和视图等级 1.1(1)File → New → Project.. From the iOS section, select Application, choose the Empty Application template, and click Next. 1.2 View Basics (1)A view is an instance of UIView or one of its subclasse…