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Error Handling in JavaScript: try/catch statements, error objects, debugging

Last updated on May 7, 2023 by Yogesh Singh

Making mistakes occasionally when writing JavaScript code is common. Errors are what happen when something goes wrong, and they can make your code behave strangely or even stop functioning altogether.

Understanding proper error management techniques is crucial for this reason. To prevent larger issues, this entails identifying errors and fixing them.

I’ll discuss the various kinds of errors you might run into while writing JavaScript code in this article. I’ll explain why it’s crucial to understand how to handle these errors properly.

Show you how to use try/catch clauses and error objects to handle errors as well. Give you some advice on how to debug JavaScript code effectively and list some typical mistakes you might run into.

How to Display Existing Files in Dropzone with CakePHP 4

Last updated on April 9, 2023 by Yogesh Singh

Dropzone is a well-known JavaScript library that enables to create an easy-to-use drag-and-drop file upload interface for web applications. It’s a powerful tool that makes managing file uploads easier for both developers and end users.

Dropzone container gets empty when the page gets reloaded, for displaying previously uploaded file you have to write some extra code.

In this tutorial, I will discuss how to display existing files in the Dropzone container in CakePHP 4 project. I will walk you through the process of creating a Dropzone element that will display all the files that have been uploaded previously.

How to Implement Dropzone File Upload in CakePHP 4

Last updated on April 8, 2023 by Yogesh Singh

In today’s digital world, file uploads are a crucial aspect of web applications. Users demand a smooth and user-friendly experience when uploading files, whether it’s a profile picture or an important document.

Dropzone is a widely used method for file uploads, offering a simple and intuitive drag-and-drop interface.

This JavaScript library supports multiple file uploads, progress bars, and previews of uploaded files. Dropzone uses AJAX technology to upload files without the need for a page refresh, making it a popular choice for developers and users alike.

In this tutorial, I will provide a step-by-step guide to implementing dropzone file uploads in your CakePHP 4 project.

How to Create Dynamic Dependent Dropdowns with AJAX in CodeIgniter 4

Last updated on March 27, 2023 by Yogesh Singh

In web applications, auto populating dropdowns are commonly used to simplify user input and ensure data consistency. When a user selects a value from one dropdown, another dropdown with related data is dynamically populated.

Consider this example. Assume we have a global online store and want to allow our customers to filter products by country and city. There could be two dropdowns: one for countries and one for cities. The city dropdown will dynamically change depending on the country selected by the user, displaying only cities in that country. This feature will make it easier for users to select the correct filter, reducing confusion and providing a better user experience.

In this tutorial, I show how you can create dynamic dependent dropdown with MySQL database data using jQuery AJAX in CodeIgniter 4.