Experimental: convenience wrapper for creating custom element prototypes.
require('webcomponents.js')
var createCustom = require('custom-element')
var CustomHTMLElement = createCustom(function() {
// created
}).on('created', function() {
// alternative syntax for created
}).on('attached', function() {
// attached to the DOM
}).on('detached', function() {
// detached from the DOM
}).on('attribute', function(value) {
// when an attribute is changed via setAttribute.
// Note that values are coerced into strings.
})
document.registerElement('custom-element', CustomHTMLElement)
