/* Optional: Makes the sample page fill the window. */html,body{height:100%;margin:0;padding:0;}#container{height:100%;display:flex;}#sidebar{flex-basis:15rem;flex-grow:1;padding:1rem;max-width:30rem;height:100%;box-sizing:border-box;overflow:auto;}#map{flex-basis:0;flex-grow:4;height:100%;}
<html>
<head>
<title>KML Feature Details</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<div id="container">
<div id="map"></div>
<div id="sidebar"></div>
</div>
<!--
The `defer` attribute causes the script to execute after the full HTML
document has been parsed. For non-blocking uses, avoiding race conditions,
and consistent behavior across browsers, consider loading using Promises. See
https://developers.google.com/maps/documentation/javascript/load-maps-js-api
for more information.
-->
<script
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
defer
></script>
</body>
</html>
Git and Node.js are required to run this sample locally. Follow theseinstructionsto install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis example demonstrates how to display a KML feature's description in a side panel when it's clicked on a Google Map.\u003c/p\u003e\n"],["\u003cp\u003eIt utilizes the Google Maps JavaScript API's KML layer functionality to load and display KML data.\u003c/p\u003e\n"],["\u003cp\u003eUpon clicking a KML feature, the code retrieves its description and updates the content of a designated sidebar element.\u003c/p\u003e\n"],["\u003cp\u003eThe sample code is provided in both TypeScript and JavaScript, along with accompanying HTML and CSS for styling and layout.\u003c/p\u003e\n"]]],["A KML layer is added to a Google Map, and upon clicking a feature within this layer, the corresponding `Description` text is extracted. The map is initialized, and a KML layer, sourced from a URL, is added with info windows suppressed. A click listener on the KML layer captures the event, retrieves the description, and then updates the content of a designated sidebar `\u003cdiv\u003e` with that text. Styling and HTML layout are applied to the sidebar and map.\n"],null,["This example includes a KML feature object. When the feature is clicked, the map\ndisplays its `Description` text within a side\n`\u003cdiv\u003e`.\n\nRead the\n[documentation](/maps/documentation/javascript/kmllayer#kml_feature_details). \n\nTypeScript \n\n```typescript\nfunction initMap(): void {\n const map = new google.maps.Map(\n document.getElementById(\"map\") as HTMLElement,\n {\n zoom: 12,\n center: { lat: 37.06, lng: -95.68 },\n }\n );\n\n const kmlLayer = new google.maps.KmlLayer({\n url: \"https://raw.githubusercontent.com/googlearchive/kml-samples/gh-pages/kml/Placemark/placemark.kml\",\n suppressInfoWindows: true,\n map: map,\n });\n\n kmlLayer.addListener(\"click\", (kmlEvent) =\u003e {\n const text = kmlEvent.featureData.description;\n\n showInContentWindow(text);\n });\n\n function showInContentWindow(text: string) {\n const sidebar = document.getElementById(\"sidebar\") as HTMLElement;\n\n sidebar.innerHTML = text;\n }\n}\n\ndeclare global {\n interface Window {\n initMap: () =\u003e void;\n }\n}\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/samples/layer-kml-features/index.ts#L8-L41\n```\n| **Note:** Read the [guide](/maps/documentation/javascript/using-typescript) on using TypeScript and Google Maps.\n\nJavaScript \n\n```javascript\nfunction initMap() {\n const map = new google.maps.Map(document.getElementById(\"map\"), {\n zoom: 12,\n center: { lat: 37.06, lng: -95.68 },\n });\n const kmlLayer = new google.maps.KmlLayer({\n url: \"https://raw.githubusercontent.com/googlearchive/kml-samples/gh-pages/kml/Placemark/placemark.kml\",\n suppressInfoWindows: true,\n map: map,\n });\n\n kmlLayer.addListener(\"click\", (kmlEvent) =\u003e {\n const text = kmlEvent.featureData.description;\n\n showInContentWindow(text);\n });\n\n function showInContentWindow(text) {\n const sidebar = document.getElementById(\"sidebar\");\n\n sidebar.innerHTML = text;\n }\n}\n\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/layer-kml-features/docs/index.js#L7-L31\n```\n| **Note:** The JavaScript is compiled from the TypeScript snippet.\n\nCSS \n\n```css\n/* Optional: Makes the sample page fill the window. */\nhtml,\nbody {\n height: 100%;\n margin: 0;\n padding: 0;\n}\n\n#container {\n height: 100%;\n display: flex;\n}\n\n#sidebar {\n flex-basis: 15rem;\n flex-grow: 1;\n padding: 1rem;\n max-width: 30rem;\n height: 100%;\n box-sizing: border-box;\n overflow: auto;\n}\n\n#map {\n flex-basis: 0;\n flex-grow: 4;\n height: 100%;\n}\nhttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/layer-kml-features/docs/style.css#L7-L35\n```\n\nHTML \n\n```html\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003eKML Feature Details\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=\"container\"\u003e\n \u003cdiv id=\"map\"\u003e\u003c/div\u003e\n \u003cdiv id=\"sidebar\"\u003e\u003c/div\u003e\n \u003c/div\u003e\n\n \u003c!-- \n The `defer` attribute causes the script to execute after the full HTML\n document has been parsed. For non-blocking uses, avoiding race conditions,\n and consistent behavior across browsers, consider loading using Promises. See\n https://developers.google.com/maps/documentation/javascript/load-maps-js-api\n for more information.\n --\u003e\n \u003cscript\n src=\"https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly\"\n defer\n \u003e\u003c/script\u003e\n \u003c/body\u003e\n\u003c/html\u003ehttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/layer-kml-features/docs/index.html#L8-L33\n```\n\nTry Sample \n[JSFiddle.net](https://jsfiddle.net/gh/get/library/pure/googlemaps/js-samples/tree/master/dist/samples/layer-kml-features/jsfiddle) [Google Cloud Shell](https://ssh.cloud.google.com/cloudshell/editor?cloudshell_git_repo=https%3A%2F%2Fgithub.com%2Fgooglemaps%2Fjs-samples&cloudshell_git_branch=sample-layer-kml-features&cloudshell_tutorial=cloud_shell_instructions.md&cloudshell_workspace=.)\n\nClone Sample\n\n\nGit and Node.js are required to run this sample locally. Follow these [instructions](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) to install Node.js and NPM. The following commands clone, install dependencies and start the sample application. \n\n git clone -b sample-layer-kml-features https://github.com/googlemaps/js-samples.git\n cd js-samples\n npm i\n npm start\n\n\nOther samples can be tried by switching to any branch beginning with `sample-`\u003cvar translate=\"no\"\u003eSAMPLE_NAME\u003c/var\u003e. \n\n git checkout sample-\u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-nx\"\u003eSAMPLE_NAME\u003c/span\u003e\u003c/var\u003e\n npm i\n npm start"]]
