How to use the HTML 5 geolocation api to geocode and address and plot it on a google map. For this test, input an address and hit the "Map It" button. The location will be shown on the map.

geocode-address.html

<div class="row">
	<div class="col-md-2 col-sm-2 col-xs-2">
		<p><button class="btn btn-primary btn-sm" id="get-map-btn"><span>Map It</span></button></p>
	</div><!-- .col -->
	<div class="col-md-10 col-sm-10 col-xs-10">
		<div class="panel panel-default">
			<div class="panel-heading">Location Response</div>
			<div class="panel-body">
				<p>Enter Address: <input id="address" type="text" class="form-control"/></p>
				<div id="map-canvas" style="min-height: 400px;"></div>
			</div>
		</div>
	</div><!-- .col -->
</div><!-- .row -->

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
<script>
	"use strict";
	var geocoder;
	var map;
	
	// setup initial map
	function initialize() {
		geocoder = new google.maps.Geocoder();							// create geocoder object
		var latlng = new google.maps.LatLng(40.6700, -73.9400);			// set default lat/long (new york city)
		var mapOptions = {												// options for map
			zoom: 8,
			center: latlng
		}
		map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);	// create new map in the map-canvas div
	}
	
	// function to geocode an address and plot it on a map
	function codeAddress(address) {
		geocoder.geocode( { 'address': address}, function(results, status) {
			if (status == google.maps.GeocoderStatus.OK) {
				map.setCenter(results[0].geometry.location);			// center the map on address
				var marker = new google.maps.Marker({					// place a marker on the map at the address
					map: map,
					position: results[0].geometry.location
				});
			} else {
				alert('Geocode was not successful for the following reason: ' + status);
			}
		});
	}

	google.maps.event.addDomListener(window, 'load', initialize);		// setup initial map

	$(document).ready(function() {

		// get map button functionality
		$("#get-map-btn").click(function(event){
			event.preventDefault();			
			var address = $("#address").val();							// grab the address from the input field
			codeAddress(address);										// geocode the address
		});
	});
</script>