The third method is similar to the second method, we are still going to use Blob and createObjectURL, but instead of using the Fetch API, we will use XMLHttpRequest. Show a message, send a request to the back-end render a new page, and so on… Method III However, the problem is that because the download takes place inside our application, the user may think that nothing happened when he clicked and therefore it is up to us to manage large file downloads by implementing the measurement of progress.Īt the same time, this method is useful when we need to perform certain actions inside our application once the file has completed downloaded. With this method now we are able to download any type of file regardless of the origin server. Once that browser window appears and we click save, the file is automatically saved on our computer. Notice in the GIF above that once we click the Download button, nothing seems to happen, because the download takes place as an asynchronous task in our application and once it is completed, it will be passed to the browser. If the value is omitted, the original filename is used. However, the user will still be able to change the name when the native download window appears, but the name we provided will be the default. Therefore if we want to download the file with a specific name, we can control this using this attribute. The first and the simplest method implies creating an anchor HTML element that has the download attribute.īy definition, the download attribute specifies that the target (the file specified in the href attribute) will be downloaded when a user clicks on the hyperlink.Īlso with this download attribute we can specify the new name of the file after it is downloaded. using XMLHttpRequest and HTML elements, but in a more complex scenario in which we implement a system to measure progress.using JavaScript with Fetch API and HTML elements.If you have a web developer and you want to add this feature to your application, here is how you can do it. Tons of files are downloaded from the internet every day, from binary files (such as applications, images, videos, and audio) to plain text files. Downloading files is an essential aspect of surfing the internet.
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