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Puedes hacer que los marcadores sean más accesibles si habilitas el control de eventos de clic, agregas texto descriptivo para los lectores de pantalla y ajustas la escala del marcador.
Cuando un marcador ofrece la posibilidad de hacer clics, puede responder a las entradas del teclado y del mouse.
El texto especificado en la opción de título es legible para los lectores de pantalla y se mostrará cuando un usuario mantenga el puntero del mouse sobre el marcador.
Aumentar el tamaño de los marcadores reduce la precisión que se requiere para interactuar con ellos en todos los dispositivos (en especial en dispositivos de pantalla táctil) y mejora la accesibilidad. Los marcadores predeterminados cumplen con el estándar WCAG para el tamaño mínimo AA, pero, si los desarrolladores desean satisfacer el estándar WCAG para el tamaño del objetivo AAA, deben aumentar el tamaño del marcador.
En el siguiente ejemplo, se muestra un mapa con cinco marcadores seleccionables que admiten clics y que incluyen texto de título, y se configuraron con una escala de 1.5:
JavaScript
asyncfunctioninitMap(){const{Map3DElement,Marker3DInteractiveElement,PopoverElement}=awaitgoogle.maps.importLibrary("maps3d");const{PinElement}=awaitgoogle.maps.importLibrary("marker");constmap=newMap3DElement({center:{lat:34.8405,lng:-111.7909,altitude:1322.70},range:13279.50,tilt:67.44,heading:0.01,mode:'SATELLITE'});// Set LatLng and title text for the markers. The first marker (Boynton Pass)// receives the initial focus when tab is pressed. Use arrow keys to move// between markers; press tab again to cycle through the map controls.consttourStops=[{position:{lat:34.8791806,lng:-111.8265049},title:"Boynton Pass",},{position:{lat:34.8559195,lng:-111.7988186},title:"Airport Mesa",},{position:{lat:34.832149,lng:-111.7695277},title:"Chapel of the Holy Cross",},{position:{lat:34.823736,lng:-111.8001857},title:"Red Rock Crossing",},{position:{lat:34.800326,lng:-111.7665047},title:"Bell Rock",},];tourStops.forEach(({position,title},i)=>{constpin=newPinElement({glyph:`${i+1}`,scale:1.5,glyphColor:"#FFFFFF"});constpopover=newPopoverElement();constcontent=`${i+1}. ${title}`;constheader=document.createElement('span');// Include the label for screen readers.header.ariaLabel=`This is marker ${i+1}. ${title}`;header.slot='header';popover.append(header);popover.append(content);constinteractiveMarker=newMarker3DInteractiveElement({// Include a title, used for accessibility text for use by screen readers.title,position,gmpPopoverTargetElement:popover});interactiveMarker.append(pin);map.append(interactiveMarker);map.append(popover);});document.body.append(map);}initMap();
/* * Always set the map height explicitly to define the size of the div element * that contains the map. */html,map{height:100%;}body{height:100%;margin:0;padding:0;}
Para navegar por los marcadores con el teclado, sigue estos pasos:
Usa la tecla Tab para posicionarte en el primer marcador. Si hay varios marcadores en un mismo mapa, usa las teclas de flecha para desplazarte entre ellos.
Si el marcador admite la posibilidad de hacer clics, presiona la tecla Intro para hacerlo. Si un marcador tiene una ventana de información, puedes hacer clic en él o bien presionar la tecla Intro o la barra espaciadora para abrirla. Cuando se cierre la ventana de información, el foco volverá al marcador asociado.
Vuelve a presionar la tecla Tab para seguir moviéndote por el resto de los controles del mapa.
Para mejorar la accesibilidad, sigue estos pasos:
Establece texto descriptivo para un marcador con la opción Marker3DInteractiveElement.title.
Agrega contenido a la ranura header de PopoverElement.
Aumenta la escala del marcador con la propiedad PinElement.scale.
[null,null,["Última actualización: 2025-08-26 (UTC)"],[],[],null,["\u003cbr /\u003e\n\n| This product or feature is in Preview (pre-GA). Pre-GA products and features might have limited support, and changes to pre-GA products and features might not be compatible with other pre-GA versions. Pre-GA Offerings are covered by the [Google\n| Maps Platform Service Specific Terms](https://cloud.google.com/maps-platform/terms/maps-service-terms). For more information, see the [launch stage\n| descriptions](/maps/launch-stages).\n\n\u003cbr /\u003e\n\nYou can make markers more accessible by enabling click event handling, adding\ndescriptive text for screen readers, and adjusting the marker scale.\n\n- When a marker is clickable, it can respond to keyboard and mouse input.\n- Text specified in the title option is readable by screen readers, and will display when a user holds the mouse pointer over the marker.\n- Increasing the size of markers reduces the precision required to interact with it across all devices --- especially touchscreen devices --- and improves accessibility. Default markers meet the [WCAG AA minimum\n size](https://www.w3.org/WAI/WCAG22/Understanding/target-size-minimum.html) standard but for developers aiming to comply with the [WCAG AAA\n target](https://www.w3.org/WAI/WCAG21/Understanding/target-size.html) size standard the marker size should be increased.\n\nSee [basic marker\ncustomization](/maps/documentation/javascript/3d/marker-customization) to learn\nhow to change marker scale, add title text, and more.\n\nThe following example shows a map with five clickable, focusable markers that\ninclude title text, and have been set to 1.5x scale:\n\n\nJavaScript \n\n```javascript\nasync function initMap() {\n const { Map3DElement, Marker3DInteractiveElement, PopoverElement } = await google.maps.importLibrary(\"maps3d\");\n const { PinElement } = await google.maps.importLibrary(\"marker\");\n const map = new Map3DElement({\n center: { lat: 34.8405, lng: -111.7909, altitude: 1322.70 }, range: 13279.50, tilt: 67.44, heading: 0.01,\n mode: 'SATELLITE'\n });\n // Set LatLng and title text for the markers. The first marker (Boynton Pass)\n // receives the initial focus when tab is pressed. Use arrow keys to move\n // between markers; press tab again to cycle through the map controls.\n const tourStops = [\n {\n position: { lat: 34.8791806, lng: -111.8265049 },\n title: \"Boynton Pass\",\n },\n {\n position: { lat: 34.8559195, lng: -111.7988186 },\n title: \"Airport Mesa\",\n },\n {\n position: { lat: 34.832149, lng: -111.7695277 },\n title: \"Chapel of the Holy Cross\",\n },\n {\n position: { lat: 34.823736, lng: -111.8001857 },\n title: \"Red Rock Crossing\",\n },\n {\n position: { lat: 34.800326, lng: -111.7665047 },\n title: \"Bell Rock\",\n },\n ];\n tourStops.forEach(({ position, title }, i) =\u003e {\n const pin = new PinElement({\n glyph: `${i + 1}`,\n scale: 1.5,\n glyphColor: \"#FFFFFF\"\n });\n const popover = new PopoverElement();\n const content = `${i + 1}. ${title}`;\n const header = document.createElement('span');\n // Include the label for screen readers.\n header.ariaLabel = `This is marker ${i + 1}. ${title}`;\n header.slot = 'header';\n popover.append(header);\n popover.append(content);\n const interactiveMarker = new Marker3DInteractiveElement({\n // Include a title, used for accessibility text for use by screen readers.\n title,\n position,\n gmpPopoverTargetElement: popover\n });\n interactiveMarker.append(pin);\n map.append(interactiveMarker);\n map.append(popover);\n });\n document.body.append(map);\n}\ninitMap();https://github.com/googlemaps-samples/js-api-samples/blob/5f4e6decfaf59cd69918bbf4e6338de03a63a5ba/dist/samples/3d-accessibility-features/docs/index.js#L9-L67\n```\n| **Note:** The JavaScript is compiled from the TypeScript snippet.\n\nCSS \n\n```css\n/* * Always set the map height explicitly to define the size of the div element\n * that contains the map. \n */\nhtml,\nmap {\n height: 100%;\n}\nbody {\n height: 100%;\n margin: 0;\n padding: 0;\n}https://github.com/googlemaps-samples/js-api-samples/blob/5f4e6decfaf59cd69918bbf4e6338de03a63a5ba/dist/samples/3d-accessibility-features/docs/style.css#L7-L18\n```\n\nHTML \n\n```html\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003eMap\u003c/title\u003e\n\n \u003clink rel=\"stylesheet\" type=\"text/css\" href=\"./style.css\" /\u003e\n \u003cscript type=\"module\" src=\"./index.js\"\u003e\u003c/script\u003e\n \u003c/head\u003e\n \u003cbody\u003e\n \u003cdiv id=\"map\"\u003e\u003c/div\u003e\n\n \u003c!-- prettier-ignore --\u003e\n \u003cscript\u003e(g=\u003e{var h,a,k,p=\"The Google Maps JavaScript API\",c=\"google\",l=\"importLibrary\",q=\"__ib__\",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=\u003eh||(h=new Promise(async(f,n)=\u003e{await (a=m.createElement(\"script\"));e.set(\"libraries\",[...r]+\"\");for(k in g)e.set(k.replace(/[A-Z]/g,t=\u003e\"_\"+t[0].toLowerCase()),g[k]);e.set(\"callback\",c+\".maps.\"+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=\u003eh=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)=\u003er.add(f)&&u().then(()=\u003ed[l](f,...n))})\n ({key: \"AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8\", v: \"beta\",});\u003c/script\u003e\n \u003c/body\u003e\n\u003c/html\u003ehttps://github.com/googlemaps-samples/js-api-samples/blob/5f4e6decfaf59cd69918bbf4e6338de03a63a5ba/dist/samples/3d-accessibility-features/docs/index.html#L8-L22\n```\n\nTry Sample \n[JSFiddle.net](https://jsfiddle.net/gh/get/library/pure/googlemaps-samples/js-api-samples/tree/main/dist/samples/3d-accessibility-features/jsfiddle)\n\n\u003cbr /\u003e\n\nTo navigate markers using the keyboard:\n\n1. Use the tab key to focus on the first marker; if there are multiple markers on the same map, use the arrow keys to cycle through the markers.\n2. If the marker is clickable, press the enter key to \"click\". If a marker has an info window, you can open it by clicking, or by pressing the enter key or space bar. When the info window closes, focus will return to the associated marker.\n3. Press tab again to continue moving through the rest of the map controls.\n\nTo enhance accessibility:\n\n- Set descriptive text for a marker using `Marker3DInteractiveElement.title` option.\n- Add content to the `header` slot of `PopoverElement`.\n- Increase marker scale using the `PinElement.scale` property."]]