JSFiddle - React, Tailwind, and code Playground
HTML
<INPUT TYPE="BUTTON" VALUE="Edit" class="styled-button-2" id="edit">
<INPUT TYPE="BUTTON" VALUE="Save" class="styled-button-2" id="save">
CSS
#save {
visibility:hidden;
}
JavaScript
var edit = document.getElementById("edit");
var save = document.getElementById("save");
edit.onclick = function() {
save.style.visibility = "visible";
}