Related Topics AJAX Question 70 How to handle the scenario where the user cancels an ongoing AJAX request, and what steps do you take to ensure that resources are released correctly? Answer When the user cancels an ongoing AJAX request, we need to make sure that the request is stopped, and the resources associated with […]
Related Topics AJAX Question 65 How to handle errors in an AJAX request and ensure that the user receives appropriate feedback? Answer When making an AJAX request, there are a few ways to handle errors and ensure that the user receives appropriate feedback. Here are some general steps that can be followed: Handle the error
Related Topics AJAX Question 58 What are the different ways to handle timeouts in an AJAX request? Answer Timeouts in AJAX requests occur when the server takes too long to respond to the client’s request. In order to handle timeouts, you can use the following approaches: Set a Timeout value: You can set a timeout
Related Topics AJAX Question 54 How to handle multiple AJAX requests simultaneously? Answer Handling multiple AJAX requests simultaneously requires careful management of the requests and their corresponding responses. Here are some techniques for handling multiple AJAX requests: Use a library or framework: Many JavaScript libraries and frameworks, such as jQuery and Angular, provide built-in support
Related Topics AJAX Question 49 How to update the UI with data received from an AJAX request? Answer Here’s a general approach for updating the UI with data received from an AJAX request using JavaScript: Make the AJAX request: Use the XMLHttpRequest object, the fetch API, or a third-party library such as jQuery to make
Related Topics AJAX Question 45 How to deal with cross-origin resource sharing (CORS) issues when making an AJAX request? Answer Cross-origin resource sharing (CORS) is a security mechanism implemented by web browsers to restrict AJAX requests from different origins. CORS issues can arise when making an AJAX request from a web page hosted on one
Related Topics AJAX Question 40 What is the purpose of processing responses with JavaScript in AJAX? Answer The purpose of processing responses with JavaScript in AJAX is to manipulate the content of a web page dynamically without requiring a full page refresh. In other words, when a user interacts with a web page and makes
Related Topics AJAX Question 37 How to make sure that JSON data is secure when using it with AJAX requests? Answer To ensure that JSON data is secure when using it with AJAX requests, you should take the following measures: Validate and sanitize input: When accepting user input or data from external sources, you should
Related Topics AJAX Question 32 What is JSON and how does it differ from XML? Answer JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is a text-based format that uses a simple syntax for describing
Related Topics Node JS Question 119 What is the role of clustering in improving performance of Node.js applications? Answer Clustering is a technique used in Node.js to improve the performance of applications by utilizing multiple CPU cores. In a typical Node.js application, only a single instance of the Node.js process runs on a single CPU
