This example creates a map with a "Center Map" button, which will pan the map to be centered on Chicago.
Read the documentation.
var map; var chicago = {lat: 41.85, lng: -87.65}; /** * The CenterControl adds a control to the map that recenters the map on * Chicago. * This constructor takes the control DIV as an argument. * @constructor */ function CenterControl(controlDiv, map) { // Set CSS for the control border. var controlUI = document.createElement('div'); controlUI.style.backgroundColor = '#fff'; controlUI.style.border = '2px solid #fff'; controlUI.style.borderRadius = '3px'; controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)'; controlUI.style.cursor = 'pointer'; controlUI.style.marginBottom = '22px'; controlUI.style.textAlign = 'center'; controlUI.title = 'Click to recenter the map'; controlDiv.appendChild(controlUI); // Set CSS for the control interior. var controlText = document.createElement('div'); controlText.style.color = 'rgb(25,25,25)'; controlText.style.fontFamily = 'Roboto,Arial,sans-serif'; controlText.style.fontSize = '16px'; controlText.style.lineHeight = '38px'; controlText.style.paddingLeft = '5px'; controlText.style.paddingRight = '5px'; controlText.innerHTML = 'Center Map'; controlUI.appendChild(controlText); // Setup the click event listeners: simply set the map to Chicago. controlUI.addEventListener('click', function() { map.setCenter(chicago); }); } function initMap() { map = new google.maps.Map(document.getElementById('map'), { zoom: 12, center: chicago }); // Create the DIV to hold the control and call the CenterControl() // constructor passing in this DIV. var centerControlDiv = document.createElement('div'); var centerControl = new CenterControl(centerControlDiv, map); centerControlDiv.index = 1; map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv); }
<div id="map"></div>
/* Always set the map height explicitly to define the size of the div * element that contains the map. */ #map { height: 100%; } /* Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; }
<!-- Replace the value of the key parameter with your own API key. --> <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap"> </script>
Try it yourself
You can experiment with this code in JSFiddle by clicking the <>
icon in the
top-right corner of the code window.
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Custom Controls</title>
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
var map;
var chicago = {lat: 41.85, lng: -87.65};
/**
* The CenterControl adds a control to the map that recenters the map on
* Chicago.
* This constructor takes the control DIV as an argument.
* @constructor
*/
function CenterControl(controlDiv, map) {
// Set CSS for the control border.
var controlUI = document.createElement('div');
controlUI.style.backgroundColor = '#fff';
controlUI.style.border = '2px solid #fff';
controlUI.style.borderRadius = '3px';
controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
controlUI.style.cursor = 'pointer';
controlUI.style.marginBottom = '22px';
controlUI.style.textAlign = 'center';
controlUI.title = 'Click to recenter the map';
controlDiv.appendChild(controlUI);
// Set CSS for the control interior.
var controlText = document.createElement('div');
controlText.style.color = 'rgb(25,25,25)';
controlText.style.fontFamily = 'Roboto,Arial,sans-serif';
controlText.style.fontSize = '16px';
controlText.style.lineHeight = '38px';
controlText.style.paddingLeft = '5px';
controlText.style.paddingRight = '5px';
controlText.innerHTML = 'Center Map';
controlUI.appendChild(controlText);
// Setup the click event listeners: simply set the map to Chicago.
controlUI.addEventListener('click', function() {
map.setCenter(chicago);
});
}
function initMap() {
map = new google.maps.Map(document.getElementById('map'), {
zoom: 12,
center: chicago
});
// Create the DIV to hold the control and call the CenterControl()
// constructor passing in this DIV.
var centerControlDiv = document.createElement('div');
var centerControl = new CenterControl(centerControlDiv, map);
centerControlDiv.index = 1;
map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
}
</script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
</script>
</body>
</html>