标签：style blog http color java io ar cti
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Untitled Page</title> <script type="text/javascript"> var a = ‘jack‘; function show() { // alert(a); console.log(a); var a = ‘aaa‘; } show(); </script> </head> <body> </body> </html>
未定义。。。。
标签：style blog http color java io ar cti
原文地址：http://www.cnblogs.com/zzjj296/p/3915842.html
