Simple JavaScript share button using navigation.share

index.html

<button id="shareBtn">Share</button>

script.js

document.getElementById('shareBtn').addEventListener("click", async () => {
  var shareData = {
    title: document.title,
    url: window.location.href
  }
  try {
    await navigator.share(shareData);
    console.log("Data was shared successfully");
  } catch (err) {
    console.error("error:", err.message);
  }
});