關於「Mapbox addlayer」標籤，搜尋引擎有相關的訊息討論：

Mapbox GL JS: Add layer below US state labels? - Stack Overflowstackoverflow.com › questions › mapbox-gl-js-add-layer-b...Add a new layer below labels | Mapbox GL JSdocs.mapbox.com › example › geojson-layer-in-stackHow to test if a layer exist in a MapBox GL JS map?gis.stackexc