confirm

The 'confirm' function displays a given message in a popup window, and asks for user confirmation;
'confirm'函数使用弹窗提示用户确认相关操作。

• Prototype: confirm(sMsg, sTitle);
• Parameters:
  1. sMsg: specifies a message to display;
     需要显示的信息
  2. sTitle: specifies a title for the popup window;
     弹窗的标题
• Return Value: true on pressing 'Yes', or false on 'No';
• Example:

  var bYes=confirm('Are you sure you want to delete the file?');