属性遍历(propEach)

> npm install @turf/meta

Iterate over properties in any GeoJSON object, similar to Array.forEach() 接收任意类型的 GeoJSON，遍历它的每个要素的 properties。功能类似 Array.forEach()

参数

参数	类型	描述
geojson	FeatureCollection|Feature	任意 GeoJSON 对象
callback	Function	回调，参数依次是 currentProperties、featureIndex

返回

undefined - undefined

示例

var features = turf.featureCollection([
    turf.point([26, 37], {foo: 'bar'}),
    turf.point([36, 53], {hello: 'world'})
]);

turf.propEach(features, function (currentProperties, featureIndex) {
  //=currentProperties
  //=featureIndex
});