JS 保存 HTML 到本地

 function download_html(obj) {
      var ev = document.createEvent("MouseEvents");
      ev.initMouseEvent(
          "click", true, false, window, 0, 0, 0, 0, 0
          , false, false, false, false, 0, null
      );
      obj.dispatchEvent(ev);
    }

    function export_raw(name, data) {
      var urlObject = window.URL || window.webkitURL || window;
      var export_blob = new Blob([data]);
      var save_link = document.createElementNS("http://www.w3.org/1999/xhtml", "a")
      save_link.href = urlObject.createObjectURL(export_blob);
      save_link.download = name;
      download_html(save_link);
    }

    // 保存网页到本地
    $("body").on("click", "#saveBtn", function(){
         var html = $("#content")[0].outerHTML;
         export_raw('content.html', html);
    })