<!DOCTYPE html> <html> <head></head> <body> 怎样才实现百度文库的那种效果呢？怎样才实现百度文库的那种效果呢？怎样才实现百度文库的那种效果呢？怎样才实现百度文库的那种效果呢？怎样才实现百度文库的那种效果呢？ <script> var funcGetSelectText = function(){ var txt = ''; if(document.selection){ txt = document.selection.createRange().text;//ie }else{ txt = document.getSelection(); } return txt.toString(); } var container = container || document; container.onmouseup = function(){ var txt = funcGetSelectText(); if(txt) { alert(txt); } } </script> </body> </html>