Place Autocomplete Data Predictions

This example demonstrates calling fetchAutocompleteSuggestions() for the input "Tadi", then calling toPlace() on the first prediction result, followed by a call to fetchFields() to get place details.

Read the documentation.

TypeScript

async function init() {
    const { AutocompleteSessionToken, AutocompleteSuggestion } =
        await google.maps.importLibrary('places');

    // Add an initial request body.
    const request: google.maps.places.AutocompleteRequest = {
        input: 'Tadi',
        locationRestriction: {
            west: -122.44,
            north: 37.8,
            east: -122.39,
            south: 37.78,
        },
        origin: { lat: 37.7893, lng: -122.4039 },
        includedPrimaryTypes: ['restaurant'],
        language: 'en-US',
        region: 'us',
    };

    // Create a session token.
    const token = new AutocompleteSessionToken();
    // Add the token to the request.
    request.sessionToken = token;
    // Fetch autocomplete suggestions.
    const { suggestions } =
        await AutocompleteSuggestion.fetchAutocompleteSuggestions(request);

    const title = document.getElementById('title')!;
    title.appendChild(
        document.createTextNode(
            'Query predictions for "' + request.input + '":'
        )
    );

    const resultsElement = document.getElementById('results')!;

    for (const suggestion of suggestions) {
        const placePrediction = suggestion.placePrediction;

        // Create a new list element.
        const listItem = document.createElement('li');

        listItem.appendChild(
            // eslint-disable-next-line @typescript-eslint/no-base-to-string
            document.createTextNode(placePrediction!.text.toString())
        );
        resultsElement.appendChild(listItem);
    }

    const place = suggestions[0].placePrediction!.toPlace(); // Get first predicted place.
    await place.fetchFields({
        fields: ['displayName', 'formattedAddress'],
    });

    const placeInfo = document.getElementById('prediction')!;
    placeInfo.textContent = `First predicted place: ${place.displayName}: ${place.formattedAddress}`;
}

void init();

JavaScript

async function init() {
    const { AutocompleteSessionToken, AutocompleteSuggestion } =
        await google.maps.importLibrary('places');

    // Add an initial request body.
    const request = {
        input: 'Tadi',
        locationRestriction: {
            west: -122.44,
            north: 37.8,
            east: -122.39,
            south: 37.78,
        },
        origin: { lat: 37.7893, lng: -122.4039 },
        includedPrimaryTypes: ['restaurant'],
        language: 'en-US',
        region: 'us',
    };

    // Create a session token.
    const token = new AutocompleteSessionToken();
    // Add the token to the request.
    request.sessionToken = token;
    // Fetch autocomplete suggestions.
    const { suggestions } =
        await AutocompleteSuggestion.fetchAutocompleteSuggestions(request);

    const title = document.getElementById('title');
    title.appendChild(
        document.createTextNode(
            'Query predictions for "' + request.input + '":'
        )
    );

    const resultsElement = document.getElementById('results');

    for (const suggestion of suggestions) {
        const placePrediction = suggestion.placePrediction;

        // Create a new list element.
        const listItem = document.createElement('li');

        listItem.appendChild(
            document.createTextNode(placePrediction.text.toString())
        );
        resultsElement.appendChild(listItem);
    }

    const place = suggestions[0].placePrediction.toPlace(); // Get first predicted place.
    await place.fetchFields({
        fields: ['displayName', 'formattedAddress'],
    });

    const placeInfo = document.getElementById('prediction');
    placeInfo.textContent = `First predicted place: ${place.displayName}: ${place.formattedAddress}`;
}

void init();

CSS

/* 
 * 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;
}

HTML

<html>
    <head>
        <title>Place Autocomplete Data API Predictions</title>

        <link rel="stylesheet" type="text/css" href="./style.css" />
        <script type="module" src="./index.js"></script>
        <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))})({
                key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
            });
        </script>
    </head>
    <body>
        <div id="title"></div>
        <ul id="results"></ul>
        <p><span id="prediction"></span></p>
        <img
            class="powered-by-google"
            src="./powered_by_google_on_white.png"
            alt="Powered by Google" />
    </body>
</html>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

  git clone https://github.com/googlemaps-samples/js-api-samples.git
  cd samples/place-autocomplete-data-simple
  npm i
  npm start