JSFiddle - React, Tailwind, and code Playground

HTML

<input id="name" type="text" value="to remove " />
<textarea id="result" type="text">My text in which I want to remove specific words.</textarea>
<button id="myButton">click</button>

CSS

input, textarea {
    display: block;
    width: 300px;
}
textarea {
    height: 100px;
}

JavaScript

// to execute code when the page is entierly loaded
$(document).ready(function(){
    // click event on the button
    $('#myButton').click(function(){
        // get the content of the #result textarea
        val = $('#result').val();
        // remove all occurence of content of #name in #result
        $('#result').val(val.replace($('#name').val(), ""));
    });
});