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+# Integrating with Other Libraries
+Integration with third party libraries or vanilla javascript code can be achieved via [lifecycle methods](lifecycle-methods.md).
+
+- [Usage](#usage)
+
+### Usage
+```javascript
+var FullCalendar = {
+
+	oncreate: function (vnode) {
+		console.log('FullCalendar::oncreate')
+		$(vnode.dom).fullCalendar({
+			// put your initial options and callbacks here
+		})
+
+		Object.assign(vnode.attrs.parentState, {fullCalendarEl: vnode.dom})
+	},
+
+	// Consider that the lib will modify this parent element in the DOM (e.g. add dependent class attribute and values).
+	// As long as you return the same view results here, mithril will not
+	// overwrite the actual DOM because it's always comparing old and new VDOM
+	// before applying DOM updates. 
+	view: function (vnode) {
+		return m('div')
+	},
+
+	onbeforeremove: function (vnode) {
+		// Run any destroy / cleanup methods here.
+		//E.g. $(vnode.state.fullCalendarEl).fullCalendar('destroy')
+	}
+}
+
+m.mount(document.body, {
+	view: function (vnode) {
+		return [
+			m('h1', 'Calendar'),
+			m(FullCalendar, {parentState: vnode.state}),
+			m('button', {onclick: prev}, 'Mithril Button -'),
+			m('button', {onclick: next}, 'Mithril Button +')
+
+		]
+
+		function next() {
+			$(vnode.state.fullCalendarEl).fullCalendar('next')
+		}
+
+		function prev() {
+			$(vnode.state.fullCalendarEl).fullCalendar('prev')
+		}
+
+	}
+
+})
+
+```
+
+Running example [flems: FullCalendar](https://flems.io/#0=N4IgZglgNgpgziAXAbVAOwIYFsZJAOgAsAXLKEAGhAGMB7NYmBvAHigjQGsACAJxigBeADog4xAJ6w4hGDGKjuhfmBEgSxAA5xEAel3UAJmgBWcfNSi0ArobBQM-C7Sy6MJjAA9d7AEZxdMGsoKGoMWDRDR10AZnwAdnwABkDg0PCmKN58LA4LODhRAD4QAF8KdGxcRAIzShp6RmYagDdHbgAxNIBhDMj2wW5gYTQR4WJ6an4MRkRuILRqYgh6bgAKFrRaQxgASiGxhWI6NDhaWHwrAHM1gHIukN6oft5EREnpxlvdw-GAEg2Wx2+EMLl2+CCjz6WTWw1GR3G+m4mmsxG4EhsvG4HAgy3C3FommW9Dg3AwkW4YRCvgw1E4pNk-F+xFKP1G8PGAHlfCYYEt8BgChArmhAdsYALiMReOZNI4mMQAMrEGYwChDSFQJ6ZRwAUSgc024pBLlZh3KY3hLQgMAA7nMFksVmh1kadvs4eNxvxiNZeC6sHdDBAWt9zRRLeN6L4YGBaPx+FhaC0YA7rItiS6xe6DhziEiAErpsloCTcHbiXi0Mu6SmwcnWTTcHDEQjbBkwJzM-QAt0S8SqiE9aF6qDgzXal5B+DS6th+GlEaL9lYHI2BhrUHUaw4Bj4XzbCTqz3Ea12tMZ52uoF7XNe6XyP0u5DM8aB26EACMt3Vt0nWW+CM8zfNYHi1EdeGPOV+AYZVVUNG98AHRhWSA+8QNuXxUQmNAfzvBEjkmdg6TmTR+BaV8WV-ABZXFlGgbgACFsNWABaQDKPfLCpXoPCT3QnDLAgEjuDQGBPAUYCqO4W5aNbXgGOYniXQAannZkAF1IyOR1M1E8TiDWD1KN7RDkIlCcIP1cdhwiGFbjEiT1KOZdmV0q8yJgFojPw+9TONcyhyhOzRxs4KdV4O5PNDNl71chdLVZMoKhATAcDwfIECoE4mmIPAyg0qh2C4BAUEqdKalyeToHqP1yBqDRtD0XR000TgrmcVwqvoqAAAFP3wAaAFZdG6hSoHwOoqEkTRqhAOpynKuak13PKqDqvBGp0fRWvazrRpcBVeoAJkGgBOfBjoO1bJqykAZrmhaUrSx6AEdrE7CRat4er1ClJqdrQNqOroVwTHez7eriU7P10YNxF0cGPt4CRbvqB68Cepa8E1KkIu+36tua3aQZcVIQjxl4oYSZI4YgBHcYgtHpokWbMYQUoNNKIA)
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