index.js

/*
** Fallback for older IE without get/setAttribute
 */
function fetch(el, attr) {
  var attrs = el.attributes;
  for(var i = 0; i < attrs.length; i++) {
    if (attr[i] !== undefined) {
      if(attr[i].nodeName === attr) {
        return attr[i];
      }
    }
  }
  return null;
}

function Attr(el) {
  this.el = el;
}

Attr.prototype.get = function(attr) {
  return (this.el.getAttribute && this.el.getAttribute(attr))
    || (fetch(this.el, attr) === null ? null : fetch(this.el, attr).value);
};

Attr.prototype.set = function(attr, val) {
  if(this.el.setAttribute) {
    this.el.setAttribute(attr, val);
  } else {
    fetch(this.el, attr).value = val;
  }

  return this;
};

Attr.prototype.has = function(attr) {
  return (this.el.hasAttribute && this.el.hasAttribute(attr))
    || fetch(this.el, attr) !== null;
};

module.exports = function(el) {
  return new Attr(el);
};

module.exports.Attr = Attr;