How To Install libjs-validator on Ubuntu 18.04

In this tutorial we learn how to install libjs-validator on Ubuntu 18.04. libjs-validator is Javascript string validation and sanitization for browsers

Introduction

In this tutorial we learn how to install libjs-validator on Ubuntu 18.04.

What is libjs-validator

libjs-validator is:

This library provides various Javascript string validation utilities. For example, check whether a given string is a valid email or URL, or valid JSON. There are also routines to sanitize strings, e.g. trim whitespace or convert to different types.

This package contains the version for web browsers.

There are three methods to install libjs-validator on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libjs-validator Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libjs-validator using apt-get by running the following command:

sudo apt-get -y install libjs-validator

Install libjs-validator Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libjs-validator using apt by running the following command:

sudo apt -y install libjs-validator

Install libjs-validator Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libjs-validator using aptitude by running the following command:

sudo aptitude -y install libjs-validator

How To Uninstall libjs-validator on Ubuntu 18.04

To uninstall only the libjs-validator package we can use the following command:

sudo apt-get remove libjs-validator

Uninstall libjs-validator And Its Dependencies

To uninstall libjs-validator and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libjs-validator

Remove libjs-validator Configurations and Data

To remove libjs-validator configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libjs-validator

Remove libjs-validator configuration, data, and all of its dependencies

We can use the following command to remove libjs-validator configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libjs-validator

References

Summary

In this tutorial we learn how to install libjs-validator package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.