window.jQueryMethodBackup = {
  original: {},

  backup() {
    this.original.init = jQuery.fn.init;
    this.original.parseHTML = jQuery.parseHTML;
    this.original.append = jQuery.fn.append;
    this.original.prepend = jQuery.fn.prepend;
  },

  restore() {
    if (typeof this.original.init === 'function') {
      jQuery.fn.init = this.original.init;
      jQuery.fn.init.prototype = jQuery.fn;
    }

    if (typeof this.original.parseHTML === 'function') {
      jQuery.parseHTML = this.original.parseHTML;
    }

    if (typeof this.original.append === 'function') {
      jQuery.fn.append = this.original.append;
    }
    if (typeof this.original.prepend === 'function') {
      jQuery.fn.prepend = this.original.prepend;
    }
    
  }
};
jQueryMethodBackup.backup();