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How to fire event on file select with JavaScript?

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Sometimes, we want to fire event on file select with JavaScript.

In this article, we’ll look at how to fire event on file select with JavaScript.

How to fire event on file select with JavaScript?

To fire event on file select with JavaScript, we can listen to the file input’s change event.

For instance, we write

<input type="file" id="file" name="file" />

to add a file input.

Then we write

document.getElementById("file").onchange = () => {
  // ...
};

to select the file input with getElementById.

And then we set its onchange property to a function that runs when file selection changes.

Conclusion

To fire event on file select with JavaScript, we can listen to the file input’s change event.

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