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javascript - How to create <input type=“text”/> dynamically

I want to create an input type text in my web form dynamically. More specifically, I have a textfield where the user enters the number of desired text fields; I want the text fields to be generated dynamically in the same form.

How do I do that?

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With JavaScript:

var input = document.createElement("input");
input.type = "text";
input.className = "css-class-name"; // set the CSS class
container.appendChild(input); // put it into the DOM

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