JavaScript: how to read a CSV file with the FileReader object
Reading a CSV file with JavaScript can be done using the FileReader object, which allows you to read the contents of a file as a string or byte array.
Web programming languages and standards.
Reading a CSV file with JavaScript can be done using the FileReader object, which allows you to read the contents of a file as a string or byte array.
Uploading files in JavaScript can be done through the use of XMLHttpRequest (XHR), an object that allows you to send HTTP requests from a web client to a web server.
In this article we're going to explain the main differences between the two ways of handling a dialog element with JavaScript.