iron-ajax element basic usage

iron-ajax-demo.html

<dom-module id="post-collection">
	<template>
		<iron-ajax
			auto
			method="POST",
			url="/backend/admin.php"
			body='{"ignoreTemp":"true"}'
			handle-as="json"
			last-response="{{postsCollection}}"
			on-response="handleResponse"
			debounce-duration="200"></iron-ajax>

	</template>
	<script>
		Polymer({
			handleResponse: function(e) {
				console.log("response: ", e.detail.response);
				console.log("response: ", e.target.lastResponse);
			}
		});
	</script>

</dom-module>