JSFiddle - React, Tailwind, and code Playground

HTML

<button>Click to change to erase</button>

JavaScript

$("button").toggle(
  function () {
    $(this).text("Click to change to paint brush");
      var erasing = true;
  },
  function () {
    $(this).text("Click to change to eraser");
      var erasing = false;
  }
);