control-positioning-labels

Sample code supporting Google Maps Platform JavaScript API documentation. author(s): Geo Developer IX Documentation Team

HTML

<!doctype html>
<!--
 @license
 Copyright 2026 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->

<html>
  <head>
    <title>Control Positioning Labels</title>

    <script>
      // prettier-ignore
      (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
            });
    </script>
  </head>
  <body>
    <gmp-map center="30.72851568848909, -81.54675994068873" zoom="12">
    </gmp-map>
  </body>
</html>

CSS

/**
 * @license
 * Copyright 2026 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

/* 
 * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
gmp-map {
  height: 100%;
}

/* 
 * Optional: Makes the sample page fill the window. 
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

'use strict';
/**
 * @license
 * Copyright 2026 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * Creates a series of custom controls to demonstrate positioning
 * of controls within a map.
 */

/**
 * MakeControl adds a control to the map.
 * This constructor takes the controlDIV name and label text as arguments.
 */
function MakeControl(controlDiv, label) {
  // Set up the control border.
  const controlUI = document.createElement('div');

  controlUI.style.backgroundColor = '#fff';
  controlUI.style.padding = '3px';
  controlUI.style.cursor = 'pointer';
  controlUI.style.textAlign = 'center';
  controlUI.title = 'Click to toggle RTL/LTR';
  controlUI.className = 'controlUI';
  controlDiv.appendChild(controlUI);

  // Set up the inner control.
  const controlText = document.createElement('div');
  controlText.style.fontSize = '12px';
  controlText.innerHTML = label;
  controlText.className = 'controlText';
  controlUI.appendChild(controlText);
}

async function init() {
  //  Request the needed libraries.
  const [{ ControlPosition }] = await Promise.all([
    google.maps.importLibrary('core'),
    google.maps.importLibrary('maps'),
  ]);

  const mapElement = document.querySelector('gmp-map');

  const innerMap = mapElement.innerMap;

  const positions = [
    'BLOCK_START_INLINE_START',
    'INLINE_START_BLOCK_START',
    'BLOCK_START_INLINE_CENTER',
    'BLOCK_START_INLINE_END',
    'INLINE_END_BLOCK_START',
    'INLINE_START_BLOCK_CENTER',
    'INLINE_END_BLOCK_CENTER',
    'BLOCK_END_INLINE_START',
    'INLINE_START_BLOCK_END',
    'BLOCK_END_INLINE_CENTER',
    'BLOCK_END_INLINE_END',
    'INLINE_END_BLOCK_END',
  ];

  positions.forEach((position) => {
    const divName = document.createElement('div');
    const controlPosition = ControlPosition[position];

    MakeControl(divName, position);
    divName.addEventListener('click', toggleRTL);
    innerMap.controls[controlPosition].push(divName);
  });
}

/**
 * Toggles...