Remove Google Classroom classes

googleClassroom.js

window.onload = () => {
  const blackList = [
    "Math", 
    "Science",
  ];

  const observer = new MutationObserver((mutationsList) => {
    for (const mutation of mutationsList) {
      if (mutation.type === "childList" && mutation.addedNodes.length > 0) {
        const matchingElements = Array.from(
          document.querySelectorAll(".YVvGBb.z3vRcc-ZoZQ1"),
        );
        matchingElements.forEach((element) => {
          if (blackList.includes(element.textContent)) {
            element.parentElement.parentElement.parentElement.parentElement.parentElement.remove();
          }
        });
        observer.disconnect();
      }
    }
  });

  observer.observe(document.querySelector(".JwPp0e"), {
    childList: true,
    subtree: true,
  });
};