JSFiddle - React, Tailwind, and code Playground

HTML

Number of members:<input type="text" id="member" name="member" value=""><br />
<button id="btn" onclick="addinputFields()">Button</button>
    <div id="container"/>

JavaScript

function addinputFields(){
    var number = document.getElementById("member").value;

    for (i=0;i<number;i++){

        var input = document.createElement("input");
        input.type = "text";
        container.appendChild(input);
        container.appendChild(document.createElement("br"));
    }
}