专注前端素材！
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>素材8网教程(study.sucai8.cn)</title> </head> <body> <script> var str="Need tips? Visit W3Cschool!"; var str_esc=escape(str); document.write(str_esc + "<br>") document.write(unescape(str_esc)) </script> </body> </html>
运行结果