> For the complete documentation index, see [llms.txt](https://docs.mapbox.com/mapbox-gl-js/llms.txt)
# Filter features by text input
Filter [GeoJSON](https://docs.mapbox.com/help/glossary/geojson/) features by name by typing in a text input.
> Example code:
**JavaScript**
```html
Filter features by text input
```
**React**
```jsx
import React, { useEffect, useRef, useState } from 'react';
import * as mapboxgl from 'mapbox-gl/esm';
import 'mapbox-gl/dist/mapbox-gl.css';
const MapboxExample = () => {
const mapContainerRef = useRef(null);
const mapRef = useRef(null);
const [layerIDs, setLayerIds] = useState();
// Handle input
function handleInput(e) {
const value = e.target.value.trim().toLowerCase();
for (const layerID of layerIDs) {
mapRef.current.setLayoutProperty(
layerID,
'visibility',
layerID.includes(value) ? 'visible' : 'none'
);
}
}
useEffect(() => {
mapRef.current = new mapboxgl.Map({
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
accessToken: 'YOUR_MAPBOX_ACCESS_TOKEN',
container: mapContainerRef.current,
style: 'mapbox://styles/mapbox/standard',
config: {
basemap: {
theme: 'monochrome',
showPlaceLabels: false,
showPointOfInterestLabels: false,
showRoadLabels: false,
showTransitLabels: false
}
},
center: [-77.04, 38.907],
zoom: 11.15
});
mapRef.current.on('load', () => {
// This GeoJSON contains features that include an "name"
// property. The value of the "name" property is used as
// the text shown for that feature.
const places = {
type: 'FeatureCollection',
features: [
{
type: 'Feature',
properties: {
icon: 'theatre'
},
geometry: {
type: 'Point',
coordinates: [-77.038659, 38.931567]
}
},
{
type: 'Feature',
properties: {
icon: 'theatre'
},
geometry: {
type: 'Point',
coordinates: [-77.003168, 38.894651]
}
},
{
type: 'Feature',
properties: {
icon: 'bar'
},
geometry: {
type: 'Point',
coordinates: [-77.090372, 38.881189]
}
},
{
type: 'Feature',
properties: {
icon: 'bicycle'
},
geometry: {
type: 'Point',
coordinates: [-77.052477, 38.943951]
}
},
{
type: 'Feature',
properties: {
icon: 'music'
},
geometry: {
type: 'Point',
coordinates: [-77.031706, 38.914581]
}
},
{
type: 'Feature',
properties: {
icon: 'music'
},
geometry: {
type: 'Point',
coordinates: [-77.020945, 38.878241]
}
},
{
type: 'Feature',
properties: {
icon: 'music'
},
geometry: {
type: 'Point',
coordinates: [-77.007481, 38.876516]
}
}
]
};
const layerIDs = [];
mapRef.current.addSource('places', {
type: 'geojson',
data: places
});
for (const feature of places.features) {
const symbol = feature.properties.icon;
const layerID = `poi-${symbol}`;
if (!mapRef.current.getLayer(layerID)) {
mapRef.current.addLayer({
id: layerID,
type: 'symbol',
source: 'places',
layout: {
'icon-image': `${symbol}`,
'icon-allow-overlap': true,
'text-field': symbol,
'text-font': ['Open Sans Bold', 'Arial Unicode MS Bold'],
'text-size': 11,
'text-transform': 'uppercase',
'text-letter-spacing': 0.05,
'text-offset': [0, 1.5]
},
paint: {
'text-color': '#202',
'text-halo-color': '#fff',
'text-halo-width': 2
},
filter: ['==', 'icon', symbol]
});
layerIDs.push(layerID);
}
// Set state for handleInput change event
setLayerIds(layerIDs);
}
});
}, []);
return (