Javascript download file on page load

The JavaScript onload event can be applied when it is necessary to launch a specific function once the page is displayed fully.

Developers often use this event to demonstrate greeting messages and other user-friendly features. Another frequent usage of JavaScript onload is to apply it to automatically check visitors' web browsers and adjust the way websites will be loaded.

Furthermore, you can use it to check what cookies does a page use. The window. It begins as soon as the resource is loaded. As we already mentioned welcoming messages, we should explain how they can be incorporated into web pages. This example shows how the JavaScript onload event can display an alert box with a specific message and a button:.

The onload JavaScript event is not difficult to learn. However, you should pay attention how this event should be written in different languages:. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to open file automatically on page load? Ask Question. Asked 5 years, 11 months ago. Active 10 months ago.

Viewed 4k times. Improve this question. When the link is clicked, the browser detects that it is a file, and allows the user to download it. This is the most easiest way of allowing users to download a file. But in some cases the web application may want to handle the download part itself, rather than leaving it to the browser. It may have its own reasons like showing the download progress of the file in the applicaton's UI itself. The value of the download attribute determines the name of the downloaded file.

If this value is removed, then the downloaded filename will be the same as the original file name. In the above code, we download an image apple. Then we also created a download button to facilitate downloading files.

This approach will create text data on the fly and then use JavaScript to create a text file and then download it. Attach an event listener looking for a click to a download button.