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jQuery Ajax Post File Upload Example

Last Updated : Mar 11, 2024

jQuery Ajax Post File Upload Example

In this article we will show you the solution of jQuery ajax post file upload example, Data must be validated before being uploaded in order for the feature to be clean and maintainable.

Security vulnerabilities increase when a file upload input is incorrectly executed.

Hence, we have to approve uploaded files before sparing them on the server in order to reduce their vulnerability.

One of the most important functions of any PHP application is the capability of file uploading from clients to servers.

The implementation of features that are secure and easy to configure can, however, be a challenge.

Developers might employ a number of PHP file upload scripts to guarantee that the application offers these same features without compromising security.

The simplest way to upload files inside a web application is through server-side code.

When uploading files through Ajax, you need to pay attention to a few steps.

Although it seems exhausting, it's actually incredibly easy when you do it the right way. It's important to be careful while you're doing this:

  • The XMLHttpRequest instance needs to be set up
  • Setup of objects for handling different XMLHttpRequests
  • Sending data to the backend using Ajax requests
  • The form has been validated
  • The audience is provided with feedback

Step By Step Guide On jQuery Ajax Post File Upload Example :-

  <title> Ajax JavaScript File Upload Example </title>
  <input id="fileupload" type="file" name="fileupload" />
  <button id="upload-button" onclick="uploadFile()"> Upload </button>
  async function uploadFile() {
  let formData = new FormData();
  formData.append("file", fileupload.files[0]);
  await fetch('/upload.php', {
    method: "POST",
    body: formData
  alert('TalkersCode file has been uploaded successfully.');
  1. Firstly, we have to write <HTML>, which tells the browser what version of HTML we're using. Tags are the first element in HTML documents.
  2. The project's heading must be described using the <head> tag. Titles and final brackets differ from final brackets because they are both open, rather than closed.
  3. As soon as the title is closed, the head will also be closed.
  4. The <body> tag follows, which describes the content of the webpage.
  5. Once the button has been created, we will proceed to the next step.
  6. The <script> tag was then added. The script tag also includes the javascript google API run or an explanation of the code or file we used.
  7. Then we close the script.
  8. Our program was then closed using </body></html>

Conclusion :-

Adding file upload functionality to the server-side script only requires a few lines of code.

A simple PHP upload method was discussed in the previous tutorial. We'll use jQuery and PHP to build a simple Ajax file upload script today.

The primary goal of a Ajax sharepoint functionality would be to allow consumers to submit files to a server without having to refresh the page.

I hope this article on jQuery ajax post file upload example helps you and the steps and method mentioned above are easy to follow and implement.

Author Image About Riya

A recent graduate with a Bachelor of Technology (B.Tech) in Computer Science from India. She is passionate about leveraging technology to solve real-world problems. With a strong foundation and experience in programming languages such as Python, Django, HTML, CSS, and JavaScript, java, php and have honed her skills through hands-on projects and coursework.

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