How to input data to a form field in a simulated keyboard typing/pasting?

JavaScript
1

I can add data to a form input field this way:

document.querySelector("#example").value = "X";

But often data added this way isn’t recognized due to some validation limitations and the form cannot be submitted unless the data is inputted by typing or pasting.

How could I simulate actual typing and/or pasting with JavaScript as a more natural alternative to input it with value?

2

If you’re changing an element via javascript, you need to manually fire the change event on the element for it to be recognized for validation. Why, I don’t know (my guess is a method to slow down robots) but it’s the way it works.

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3

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