How To Install libjs-jquery-lazyload on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libjs-jquery-lazyload on Ubuntu 18.04.
What is libjs-jquery-lazyload
libjs-jquery-lazyload is:
Lazy Load is a jQuery plugin written in JavaScript. It delays loading of images in long web pages. Images outside of viewport (visible part of web page) wont be loaded before user scrolls to them. This is opposite of image preloading.
Using Lazy Load on long web pages containing many large images makes the page load faster. Browser will be in ready state after loading visible images. In some cases it can also help to reduce server load.
Lazy Load is inspired by YUI ImageLoader Utility by Matt Mlinac.
There are three methods to install libjs-jquery-lazyload 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-jquery-lazyload 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-jquery-lazyload using apt-get by running the following command:
sudo apt-get -y install libjs-jquery-lazyload
Install libjs-jquery-lazyload Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjs-jquery-lazyload using apt by running the following command:
sudo apt -y install libjs-jquery-lazyload
Install libjs-jquery-lazyload 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-jquery-lazyload using aptitude by running the following command:
sudo aptitude -y install libjs-jquery-lazyload
How To Uninstall libjs-jquery-lazyload on Ubuntu 18.04
To uninstall only the libjs-jquery-lazyload package we can use the following command:
sudo apt-get remove libjs-jquery-lazyload
Uninstall libjs-jquery-lazyload And Its Dependencies
To uninstall libjs-jquery-lazyload and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libjs-jquery-lazyload
Remove libjs-jquery-lazyload Configurations and Data
To remove libjs-jquery-lazyload configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libjs-jquery-lazyload
Remove libjs-jquery-lazyload configuration, data, and all of its dependencies
We can use the following command to remove libjs-jquery-lazyload configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjs-jquery-lazyload
References
Summary
In this tutorial we learn how to install libjs-jquery-lazyload package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
