Validate File Size Before Upload with JavaScript
Minimize server requests by validating file size before uploading.
Minimize server requests by validating file size before uploading.
Learn how for both an input the 'multiple' attribute and with multiple input elements.
AJAX (XMLHttpRequest) is a native object for making HTTP requests in JavaScript.
Make a POST request containing form data as the payload using Axios.
The XMLHttpRequest (XHR) object can be used to make and track upload progress.
You can upload a file using the Fetch API as part of a FormData object or as a standalone file.
Using Axios, you can track the upload progress of a POST request to create a progress bar.
Fully control form data submission using JavaScript's Fetch API.
Learn how to make HTTP requests in plain JavaScript using it's in-built fetch method.