Element.hasAttributes()

The hasAttributes() method of the Element interface returns a Boolean indicating whether the current element has any attributes or not.

var result = element.hasAttributes();

result

holds the return value true or false.

let foo = document.getElementById('foo');
if (foo.hasAttributes()) {
  // Do something with 'foo.attributes'
}

;(function(prototype) {
  prototype.hasAttributes = prototype.hasAttributes || function() {
    return (this.attributes.length > 0);
  }
})(Element.prototype);

• Element.attributes
• Element.hasAttribute()