js實現txt文件下載到本地

<script>
    function download(filename, text) {
      var pom = document.createElement("a");
      pom.setAttribute(
        "href",
        "data:text/plain;charset=utf-8," + encodeURIComponent(text)
      );
      pom.setAttribute("download", filename);
      if (document.createEvent) {
        var event = document.createEvent("MouseEvents");
        event.initEvent("click", true, true);
        pom.dispatchEvent(event);
      } else {
        pom.click();
      }
    }

      download("data.txt","hello world");
  </script>複製代碼