I was trying to reinstall my apache 2 after un-installing it. But on installing it using command-

sudo apt-get install apache2

i am getting error-

rahul@rahulpc:~$ sudo apt-get install apache2

[sudo] password for rahul: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

apache2 is already the newest version.

The following packages were automatically installed and are no longer required:

  libblas3 liblinear-tools liblinear1

Use 'apt-get autoremove' to remove them.

0 upgraded, 0 newly installed, 0 to remove and 474 not upgraded.

1 not fully installed or removed.

After this operation, 0 B of additional disk space will be used.

Do you want to continue? [Y/n] y

Setting up javascript-common (11) ...

dpkg: error processing package javascript-common (--configure):

 subprocess installed post-installation script returned error exit status 1

Errors were encountered while processing:

 javascript-common

E: Sub-process /usr/bin/dpkg returned an error code (1)

i think i have removed some essential directories while un-installing apache 2 . Anybody please help me to recover the files and to install apache 2.