10 Best jQuery plugins for image zoom


10 Best jQuery plugins for image zoom:

jQuery plugins are handy when it comes to showing details of images. Many plugins and various tutorials are present on the web, which can help you create unique websites by adding zoom effects.

In this article, we selected some of the easiest to use image zoom plugins for jQuery. In case your website is an online shop or gallery, this is definitely something you want to add to your site! If you're still working on building your online shop, we recommend checking out this great tutorial on how to get started.

These reviewed jQuery plugins are time savers and can help you create some stunning visual effects without any coding knowledge.

You will only need to download the image zoom plugins on the website and then edit the features it provides to make it behave exactly the way you want it to.

Below are the 10 best jQuery plugins for image zoom which are both premium and free to use.

“If you want to download the reviewed plugins, you can download them from gojquery."

Image Zoom, a responsive jQuery Plugin:

Image Zoom - Responsive jQuery Plugin by MuseTemplatesPro | CodeCanyon

Image Zoom, a very unique and helpful tool, is a plugin that adds zoom functionality to any type of image on your site.

It also provides you with the various magnification level configurations and allows you to change the appearance of the magnifier.

Hence, it is a very effortless tool to use. This one is a huge time saver tool that doesn't require any knowledge of CSS; it only requires basic JS skills.

Glass Case, image zoom plugin for jQuery:

GlassCase - jQuery Image Zoom Plugin by tinyComp | CodeCanyon

This is also a viral plugin for zooming on images. The unique thing about this plugin is that it doesn't break the details or make your image look pixelated. 

Every detail remains the same as before when the image is zoomed; which is why this jQuery plugin for image zoom is used very commonly for close inspections.

jQuery Mega Image Viewer:

jQuery Mega Image Viewer - animated zoom and pan by lhp | CodeCanyon

This plugin replaces the names of the <div> tags with image viewers. The fantastic thing about jQuery Mega Image Viewer is that this plugin  also supports touch functionality!

If you realize how hard it is to develop for mobile, you understand. We also recommend using JQtouch to help with this.

Touch enables it to be used  widely for mobile devices. It also comes with easy installation on HTML pages.

With jQuery Mega Image viewer, there is also an animated zoom which can be seen by the user to pan the image or zoom in on it.

Position control and a displayed zoom are also included in the functionalities of this plugin. 

Hence a very functional and future proof plugin that is compact with various browsers like Firefox, Chrome, IE, Safari and Opera, etc.

Smooth Zoom Pan:

Smooth Zoom Pan - jQuery Image Viewer by VF | CodeCanyon

Here is a plugin-based around CSS and JavaScript, great for zoom on product photos, maps, and small area custom images.

The Smooth Zoom Pan plugin's configuration is very effortless, with the main steps being to copy and paste.

This plugin is also very flexible, meaning you can use it for Windows, iOS, and even Android devices.

Another feature is that you have the ability to set the position or zoom level initially. There is also a setting on the minimum and the maximum zoom level or type of animation.

This creates a truly unique experience for many users. Lastly, there are adjustable colors, margins, buttons, transparency, and even alignment.

jQuery iViewer:

10 Nice jQuery UI Things - SitePoint

This one is quite unique! There is a pan view creator in this plugin; you simply have to hold the mouse button down and then start to move it. jQuery iViewer targets the concerns of users by creating a pan view in the zoom window. 

A truly useful plugin for image zoom, jQuery iViewer will save you a lot of time coding. You just need to install the plugin and then change the plugin to your liking.


Zoomooz:

Zoomooz jQuery Plugin « jQuerylabs.com

Here is another jQuery image zoom plugin, this one with a really cool name. Zoomooz is well-known for making zooming in on web page elements effortless. Using this plugin, you can create three levels of zooming actions!

Prezi-style slideshows can be made from this plugin as it allows zooming in to various image details.

With this plugin, you can even zoom into areas that are translated, scaled, or even skewed- and there won't be any problems with the zoom.

Easy Image Zoom:

Basic and lightweight jQuery Image Zoom Plugin - Easy Zoom | Free jQuery  Plugins

Using the Easy Image Zoom plugin can enable you to see the large images' details while merely moving the cursor over the image. 

It is very lightweight and effortless to customize as compared to other plugins.

Basically, this plugin is an easy solution to problems like image magnification for websites. 

You can install the plugin and then follow the instructions to get started with it. 

Lastly, you can also play with various parameters in zoom images like the appearance, the size of the element, and the element's position.

Ajax Zoom:

AJAX-ZOOM - 3D Spin Rotate & Zoom 360 Plugin For jQuery | Free jQuery  Plugins

Ajax Zoom is a powerful and feature proof pan plugin with 360-degree rotation. 

This image zoom plugin is based around the PHP and jQuery (JavaScript).

Ajax Zoom is genuinely a perfect choice for e-commerce websites in which you have to show the 360-degree view of the product; it could merely be the requirement of the client.

There is also a very responsive mouse over zoom, which wholly provides you the tour of the product.

The mouseover zoom is actually the slider for the image, which is an extension turned on as a default on mobile devices.

jQuery Zoom:

Jquery Image Zoom Plugin - elevatezoom | Free jQuery Plugins

This is a plugin that will allow you to magnify the images with only a touch, mouseover, or even a click. 

jQuery Zoom plugin is fully compatible with jQuery 1.7 plus various browsers like the IE, Safari, Chrome, Firefox, Opera, etc.

You simply need to install the plugin with the provided instructions, and you can also uninstall it really easily. We have a short tutorial on how to do this here.

Light Zoom:

Jquery Plugin For Zooming Images On Mouseover - jQuery Zoom | jqueryHub

Here is a very lightweight and effortless jQuery plugin for image zoom, working mainly with CSS.

The fantastic thing about this plugin is that it can zoom the image even without loading massive images and it can also work as a zoom tool for gif images.

"If you want to learn more about these plugins and find the perfect one to fit your needs, you can check out jqueryhouse."


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How the Bootstrap 4 Grid Works

How the Bootstrap 4 Grid Works


Normally we love talking about jQuery here, but today we’re going to dive right into Boostrap! The Bootstrap grid is quite magical, and as we love working with it, we thought we should share some insights on how the Bootstrap 4 Grid actually works.It is very different from what we call a Grid in Jquery, so don’t get them confused. 


JQuery and Bootstrap 4 Grid mobile responsive example


The main questions we will be covering in this article are:

  1. How do the different grid sizes work?

  2. Why does Bootstrap have 12 units (columns) for its grid?

  3. Can I use more than 12 columns in a row?

  4. Why do rows have a negative margin?


The Bootstrap Grid System is mainly used for responsive design, specifically for Responsive Layouts. Seeing how it functions under the hood is imperative to understanding Bootstrap. The Grid consists of groupings of Rows and Columns inside at least 1 Container. The most basic example is:


<div class="container">

  <div class="row">

     <div class="col">This is using the bootstrap Grid!</div>

  </div>

</div>


The great thing about Bootstrap Grid is that it can be used alone, without the Bootstrap JavaScript and different CSS Components. You simply need to download and reference "bootstrap-grid.css" in your html file. This "bootstrap-grid.css" file contains the Grid and Flexbox classes. Of course, more information on Bootstrap Grid CSS is here in the docs. 


You can also include Bootstrap grid using precompiled files like this:

bootstrap/

├── css/

│   ├── bootstrap-grid.css

│   ├── bootstrap-grid.css.map

│   ├── bootstrap-grid.min.css

│   ├── bootstrap-grid.min.css.map


Bootstrap's grid system is responsive, and the columns will rearrange themselves based on the screen size of the device: 

You’ve definitely seen the case where on a big screen like a Desktop the content might look better organized in three columns, but on a small screen like an Iphone it would be better if the elements were stacked on top of each other. This is typically the work of Bootstrap Grid or something similar. 

Here's another basic case of the Bootstrap Grid, creating two columns inside a row:


<div class="container">

  <div class="row">

    <div class="col-sm">

      One of two columns

    </div>

    <div class="col-sm">

Another column out of two

    </div>

  </div>

</div>


For example, our website uses two columns, which if we were to redesign in Bootstrap, we could use Bootstrap 4 Grids to accomplish. 


JQuery by example showing Bootstrap Grid


Okay, so now that we see an example of what it looks like, let’s get into the nitty gritty of how it works.


  • Containers give us a way to evenly pad your site’s contents and allow everything to be spaced out horizontally and vertically. 

  • Rows are the wrappers for columns. Every column has horizontal padding which is used to control the spacing between the columns. This allows everything to be aligned. 

  • You can use predefined grid classes (like .col-sm above) which size the columns (more about this later, when we explain breakpoints)

The Bootstrap Grid system works due to using the magical flexbox- it is built with flexbox and that’s what allows Bootstrap Grid to be fully responsive. 

Actually, the biggest difference between Bootstrap 3 and Bootstrap 4 is that Bootstrap 4 Grids now use flexbox, as opposed to floats, to handle the way the elements layout.

Flexbox, also known as The Flexible Box Layout Module, makes it easier and much faster to design flexible responsive layout structures without the use of float or positioning. If you are interested in learning more about Flexbox, you can read about it in this great CSS Flexbox Tutorial.

Thanks to flexbox, grid columns which don’t specify width automatically end up as equal width columns. For example, three columns of .col-sm will each automatically be 33% wide from the small breakpoint and up. This would look like this:


<div class="container">

  <div class="row">

    <div class="col-sm">

Column 1

    </div>

    <div class="col-sm">

Column 2

    </div>

    <div class="col-sm">

Column 3

    </div>

  </div>

</div>


The column classes are used to indicate the number of columns out of 12. So, if you’re trying to create three equal columns, you can use .col-4 (since 12/3 = 4)

Each column has horizontal padding to create the space between columns. To make the grid responsive and look beautiful on all devices, there are 5 grid breakpoints, one for each responsive breakpoint: all breakpoints (extra small), small, medium, large, and extra large. Column width is set in percentages (%), so that they can always be fluid and sized relative to their parent. This is also due to the magic of the flexbox. 

First, let’s address the most common question: Why does Bootstrap have 12 units (columns) for its grid?

Why did we choose 12 columns? Well, 12 column grids is just a  convention and it is just that, it's not a standard.

Twelve is a great number because 12 can be divided by 1, 2, 3, 4, 6 and 12. So it is very flexible and is a great choice for columns. 

Ok, but can I use more than 12 columns in a row?

Sadly, no, you should never have more than 12 columns in a row. However, the documentation states that if there are more than 12 columns in a row, then the extra columns will wrap onto a new line. Bootstrap was created to be used with 12 columns max. 

If you want to have more than 12 columns, you need to define your own custom responsive grid, which is a little more complicated. You can accomplish this with the help of Bootstrap Less variables (see here). 

Ok, that’s all great and all, but how do the different grid sizes work?

Well, moving on from the concept of column width, Bootstrap has different grid sizes, that are called “breakpoints”. The Bootstrap 4 grid comes in 4 sizes for different screen widths. Each grid size has a range that is designed to best-fit typical device screen widths. These are specified using  class prefixes that start with .col.

 The class prefixes are:

Class prefix

.col-xs-

.col-sm-

.col-md-

.col-lg-

Best for: 

Phones

Tablets

Small Laptops

Laptops & Desktops

Now, you have learned everything you need to implement Bootstrap 4’s Grid to make your own beautiful applications. If you’d like to check out more on how to make responsive apps, we have a great article on JQuery plugins to make mobile responsive websites


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Top 25 jQuery interview question in 2020

  1. Question: What is jQuery UI?

Answer: JQuery UI, is a framework built on top of JQuery with effects, widgets, and central themes which mainly depend upon the JavaScript library. If you need to build a web application with high interaction or want to add a date picker to a form control(For example, like we did here), then JQuery UI is a great option.

interview questions quiz for jquery lady

  1. Question: What is jQuery Mobile?

Answer: jQuery Mobile is a UI framework built on top of the Core of JQuery. The primary goal of JQuery Mobile is to develop websites that are responsive and mobile-accessible applications which also support tablets and other devices. JQuery Mobile uses HTML5 & CSS3 for laying out pages. If you’d like to build a JQuery mobile app, check out this post.

  1. Question: What is jQuery?

Answer: jQuery is a Javascript library that makes DOM manipulation, event handling, animation, and Ajax requests simpler and more efficient. jQuery has a simple to use API that works great across all modern browsers. JQuery greatly reduces the lines of code needed to achieve the same results in vanilla Javascript. Basically, jQuery simplifies the use of the JavaScript language.

  1. Question: What are Events?

Answer: Event-handling is responding to user actions on a webpage- in JQuery these actions are called events. JQuery provides simple methods for attaching event handlers to DOM elements or selections. This way, the provided function is executed when an event occurs.

  1. Question: What types of jquery Events are there?

Answer: The common DOM events are:

  • Form

  • Keyboard

  • Mouse

  • Browser

  • Document Loadingjquery quiz interview questions

  1. Question: What is $() in jQuery? 

Answer: $ is a reference to the jQuery namespace. With it, you can access its static methods, while $() calls a function that either registers a DOM-ready callback  if a function is passed to it, or returns elements from the DOM, if a selector. $() as a selector is used to select elements. 

  1. Question: What are ID selectors in jQuery?

Answer: ID selectors are the same as they are in CSS. ID selectors use ID to select just one element. 

  1. Question: What are class selectors in jQuery?

Answer: Class selectors use a class to select elements. If you want to select a group of elements with the same CSS class, you can use the class selector.

  1. Question: What is the difference between onload() and document.ready() methods?

Answer: Class selectors use a class to select elements. If you want to select a group of elements with the same CSS class, you can use the class selector.

  1. Question: What is the use of css() method in JQuery?

Answer: The jQuery CSS() method is used to get (return)or set the value of a computed style property for the first element in the set of matched elements or set one or more CSS properties for every matched element. The first argument is the css property name, and the second argument is the value to set for the property.

  1. Question: What is jQuery Ajax?

Answer: AJAX stands for Asynchronous JavaScript and XML and its used to help us load data and exchange data with a server without a browser refresh. JQuery has an array of AJAX methods to help accomplish this. The ajax() method sends an asynchronous http request to the server.

  1. Question: What are some benefits of jQuery Ajax methods?

Answer: A few advantages include: 

  • Ability to send GET and POST requests

  • Ability to Load JSON, XML, HTML or Scripts

  • Cross-browser support

  1. Question: Compare onload() and document.ready().

Answer: The Onload() event will be called only after the DOM and resources like images get loaded, but jQuery's document.ready() event will be called when the DOM is loaded (doesn’t wait for ressources). 

  1. Question: What is jquery.min.js?

Answer: jquery.min.js is a compressed version of jquery.js used in order to preserve bandwidth.It has the same functionality as jquery.js, but whitespaces and comments are removed, shorter variable names are used, etc. It is always better to use this compressed version in the production environment as the web page loads more efficiently. 

  1. Question: What the Zoom plug-in for jQuery?

Answer: Zoom is a plug-in for the jQuery Javascript library. It is a highly flexible tool that allows you to magnify iamges. 

  1. Question: What are plug-ins in jQuery?

Answer: JQuery plugins are used to extend jQuery's functionality. This is done by extending the prototype object. This wat, you enable all objects to inherit any methods that you add. Whenever you call jQuery() you're creating a new jQuery object, and all the methods get inherited.

  1. Question: What is chaining in jQuery?

Answer: This is also referred to as Query Method Chaining and allows us to run multiple jQuery commands in sequence on the same element(s). Using chaining, browsers don’t need to find the same element(s) more than once. To use this method, you simply append the next action to the previous action.

  1. Question: What is the filter method in jQuery?

Answer: The filter() method filters out elements that do not match the selected criteria. Filter() then returns those matches. 

  1. Question: What is the find method in jQuery?

Answer: Find() is used to find all the child elements of the selected element. 

  1. Question: What are all the ways to include jQuery on a page?

Answer:

  1. Include the .js file or .min.js file into the html document.

  2. Include JQuery inside the <script> tags in <head> or <body> tag: 

    1. <script src='jquery-3.2.1.min.js'></script>

  1. Write the code within the HTML document inside the <script> tag. 

21. Question: What is jQuery.noConflict?

Answer: If we have to use a JS library along with jQuery, the control of $ is given to the JS library (In jQuery, $ is just an alias for jQuery, so we don’t need to use $). To give this control, we use jQuery.noConflict(). It can also be used to assign a new name to a variable.

22. Question: What are the benefits of jQuery?

Answer: The advantages are:

  • Simple syntax and easy to use

  • Reduces lines of code as opposed to vanilla Javascript 

  • Has extensive documentation

  • Deals with cross-browser compatibility issues 

  • Lightweight and Open-source library.

  • Extensible and fast

  • Easy DOM manipulation 

  • Event handling & AJAX support.

23. Question: What is Qunit?

Answer: A unit testing framework for JQuery. It's used by jQuery, jQuery UI, and jQuery Mobile and is powerful, easy-to-use, and capable of testing any JavaScript code.

24. Question: Why host jQuery using a CDN?

Answer: A CDN (Content Delivery Network or Content Distribution Network) is a large distributed system of servers that reside in multiple data centers. CDNs are used to provide files from servers faster and therefore loading JQuery from a CDN would make it load faster. 

25. Question: Can jQuery be used for server scripting?

Answer: jQuery was only designed for client-side scripting and is not compatible with server-side scripting.

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