Download a file javascript example

It is done without sending an action request to a server. You can use this method on browsers that support HTML5. Note: automatic downloads allow you to build a secure download link that prevents users from seeing the file path.

You can also encrypt the download link by setting a password and expiry date on it. In the past, popular browsers have made automatic downloads difficult to execute due to safety concerns.

This way of making JavaScript download files allows users to retrieve the content provided in the text area. The file reaches the computer device as a simple. The declared function sets a download attribute where you get to name the file.

The encodeURIComponent function then encodes the content. The click method prompts the download process to start as you click the download button. There is another option for downloading files without contacting the server. This time, we are using a JavaScript library called FileSaver. For Downloading, Click. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? Please use ide. Load Comments. What's New. The idea is to programmatically create an anchor link, and then trigger the click event.

This method is especially helpful for dynamically generated file URLs. Sometimes, you may want to save programmatically generated data as a file using JavaScript. That's where blobs and object URLs are useful. A Blob object is a file-like object used to represent raw immutable data. Blob objects contain information about the type and size of data they store, making them very useful for storing dynamic contents in the browser. And if the file is in my local storage it works all the same?

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