Can I use jQuery to create a file (and its content) dynamically? [closed]

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不思量自难忘°

2021-02-20 12:27

You can use a data URI, this is a very simple example:

<html>
<body>
<a href="#">click</a>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script>
$(document).ready(function() {
    $("a").click(function() {
        window.location.href = "data:text/plain;charset=UTF-8,Hello World";
    });
});
</script>
</body>
</html>

You cannot set the filename, however.

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轮回少年

2021-02-20 12:49
As of HTML5, you can use a combination of data: URL and download attribute. For example,
```
<a href="data:text/plain;charset=UTF-8,Hello%20World!" download="filename.txt">Download</a>
```
Or, programatically,
```
<a id="programatically" href="#" download="date.txt">Download</a>
```
```
$("a#programatically").click(function() {
    var now = new Date().toString();
    this.href = "data:text/plain;charset=UTF-8," + encodeURIComponent(now);
});
```
See it here.

Unfortunately, download attribute is not fully supported and data: URLs are in good track.

Now, for a better cross-browser support you will need to create the file dynamically at server-side.
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