Drag and Drop File Upload with jQuery and AJAX

Utilizing the drag and drop functionality presents a user-friendly method to enable file uploads by effortlessly dropping files into a designated container. Nowadays, numerous websites offer the convenience of uploading files through both drag and drop and traditional file browsing methods, such as PushBullet, Facebook, SlideShare, and many others.

To achieve this functionality, I employ AJAX to seamlessly save the files to the server, which is triggered as soon as a file is dropped onto the specified target container.

Within this tutorial, I show how you can seamlessly implement a similar feature into your own project. By using jQuery AJAX and PHP, you can not only enable the drag and drop file upload but also showcase a thumbnail preview of the successfully uploaded file.

Drag and Drop File Upload with jQuery and AJAX

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Like unlike using AJAX, jQuery and PHP

Like unlike functionality used in many websites to know the user response to their content or article.

In this tutorial, I will add like and unlike buttons within the content and handle with jQuery and PHP.

In the demonstration, I will show the list of posts within these posts they have like unlike button.

It also has a label that shows how many totals like and unlike gets a post. Whenever the user clicked on a button the value of the label gets changed.

Like unlike using AJAX, jQuery and PHP

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Make Autocomplete Search with jQuery AJAX

Autocomplete search filter display suggestion based on the user input e.g. listing all products which start with the character ‘a’.

It makes easier for the user to search for an item from the list and select it from the suggestion list.

Require jQuery AJAX for implementing this.

Whenever the user enters a character send an AJAX request to fetch records with PHP and display the result.

In the demonstration, I show a textbox to search users. When an item selected from the suggestion list then fetch details of the selected users and display on the screen.

Make Autocomplete Search with jQuery AJAX

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How to Auto populate dropdown with jQuery AJAX

When working with large datasets, auto-populating dropdown lists is a common requirement in web development.

With the help of jQuery AJAX, it’s possible to dynamically fill dropdown lists with data from a server in response to user input.

A common use case of this feature is when selecting a country, state, and city. According to the country selection related state list populates, followed by a list of cities within the selected state.

It enables users to quickly choose their location from a list of options and can enhance the user experience by requiring less manual input.

In this article, we’ll explore how to use jQuery AJAX and PHP to retrieve data from a MySQL database and populate it on the dropdown in a real-time. By the end of this article, you will know how to create dynamic dependent dropdown lists that will enhance the user experience and make web forms much simpler to use.

How to Auto populate dropdown with jQuery AJAX

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