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

 /** 
 * Demonstrates making a single request for Place predictions, then requests Place Details for the first result. 
 */ 
 async 
  
 function 
  
 init 
 () 
  
 { 
  
 // @ts-ignore 
  
 const 
  
 { 
  
 Place 
 , 
  
 AutocompleteSessionToken 
 , 
  
 AutocompleteSuggestion 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "places" 
 ) 
  
 as 
  
 google 
 . 
 maps 
 . 
 PlacesLibrary 
 ; 
  
 // Add an initial request body. 
  
 let 
  
 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. 
  
 // @ts-ignore 
  
 request 
 . 
 sessionToken 
  
 = 
  
 token 
 ; 
  
 // Fetch autocomplete suggestions. 
  
 const 
  
 { 
  
 suggestions 
  
 } 
  
 = 
  
 await 
  
 AutocompleteSuggestion 
 . 
 fetchAutocompleteSuggestions 
 ( 
 request 
 ); 
  
 const 
  
 title 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 'title' 
 ) 
  
 as 
  
 HTMLElement 
 ; 
  
 title 
 . 
 appendChild 
 ( 
 document 
 . 
 createTextNode 
 ( 
 'Query predictions for "' 
  
 + 
  
 request 
 . 
 input 
  
 + 
  
 '":' 
 )); 
  
 for 
  
 ( 
 let 
  
 suggestion 
  
 of 
  
 suggestions 
 ) 
  
 { 
  
 const 
  
 placePrediction 
  
 = 
  
 suggestion 
 . 
 placePrediction 
 ; 
  
 // Create a new list element. 
  
 const 
  
 listItem 
  
 = 
  
 document 
 . 
 createElement 
 ( 
 'li' 
 ); 
  
 const 
  
 resultsElement 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 "results" 
 ) 
  
 as 
  
 HTMLElement 
 ; 
  
 listItem 
 . 
 appendChild 
 ( 
 document 
 . 
 createTextNode 
 ( 
 placePrediction 
 . 
 text 
 . 
 toString 
 ())); 
  
 resultsElement 
 . 
 appendChild 
 ( 
 listItem 
 ); 
  
 } 
  
 let 
  
 place 
  
 = 
  
 suggestions 
 [ 
 0 
 ]. 
 placePrediction 
 . 
 toPlace 
 (); 
  
 // Get first predicted place. 
  
 await 
  
 place 
 . 
 fetchFields 
 ({ 
  
 fields 
 : 
  
 [ 
 'displayName' 
 , 
  
 'formattedAddress' 
 ], 
  
 }); 
  
 const 
  
 placeInfo 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 "prediction" 
 ) 
  
 as 
  
 HTMLElement 
 ; 
  
 placeInfo 
 . 
 textContent 
  
 = 
  
 'First predicted place: ' 
  
 + 
  
 place 
 . 
 displayName 
  
 + 
  
 ': ' 
  
 + 
  
 place 
 . 
 formattedAddress 
 ; 
 } 
 init 
 (); 
  

JavaScript

 /** 
 * Demonstrates making a single request for Place predictions, then requests Place Details for the first result. 
 */ 
 async 
  
 function 
  
 init 
 () 
  
 { 
  
 // @ts-ignore 
  
 const 
  
 { 
  
 Place 
 , 
  
 AutocompleteSessionToken 
 , 
  
 AutocompleteSuggestion 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "places" 
 ); 
  
 // Add an initial request body. 
  
 let 
  
 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. 
  
 // @ts-ignore 
  
 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 
  
 + 
  
 '":' 
 ), 
  
 ); 
  
 for 
  
 ( 
 let 
  
 suggestion 
  
 of 
  
 suggestions 
 ) 
  
 { 
  
 const 
  
 placePrediction 
  
 = 
  
 suggestion 
 . 
 placePrediction 
 ; 
  
 // Create a new list element. 
  
 const 
  
 listItem 
  
 = 
  
 document 
 . 
 createElement 
 ( 
 "li" 
 ); 
  
 const 
  
 resultsElement 
  
 = 
  
 document 
 . 
 getElementById 
 ( 
 "results" 
 ); 
  
 listItem 
 . 
 appendChild 
 ( 
  
 document 
 . 
 createTextNode 
 ( 
 placePrediction 
 . 
 text 
 . 
 toString 
 ()), 
  
 ); 
  
 resultsElement 
 . 
 appendChild 
 ( 
 listItem 
 ); 
  
 } 
  
 let 
  
 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 
 ; 
 } 
 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>
  </head>
  <body>
    <div id="title"></div>
    <ul id="results"></ul>
    <p><span id="prediction"></span></p>
    <img
      class="powered-by-google"
      src="https://storage.googleapis.com/geo-devrel-public-buckets/powered_by_google_on_white.png"
      alt="Powered by Google"
    />

    <!-- prettier-ignore -->
    <script>(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: "AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg", v: "weekly"});</script>
  </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 
  
 - 
 b 
  
 sample 
 - 
 place 
 - 
 autocomplete 
 - 
 data 
 - 
 simple 
  
 https 
 : 
 //github.com/googlemaps/js-samples.git 
 
  
  cd 
  
 js 
 - 
 samples 
 
  
  npm 
  
 i 
 
  
  npm 
  
 start 
 

Other samples can be tried by switching to any branch beginning with sample- SAMPLE_NAME .

  
  git 
  
 checkout 
  
 sample 
 - 
  SAMPLE_NAME 
 
 
  
  npm 
  
 i 
 
  
  npm 
  
 start 
 
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