diff --git a/src/layers/hexbin.js b/src/layers/hexbin.js
index 2bfa280..3dbc665 100755
--- a/src/layers/hexbin.js
+++ b/src/layers/hexbin.js
@@ -195,8 +195,9 @@ export default Kapsule({
         // update surfaceRadius per vertex
         const vertexSurfaceRadius = GLOBE_RADIUS / (alt + 1);
         obj.geometry.setAttribute('surfaceRadius', array2BufferAttr(
-          [...new Array(obj.geometry.getAttribute('position').count)].map(() => vertexSurfaceRadius), 1)
-        );
+          Array(obj.geometry.getAttribute('position').count).fill(vertexSurfaceRadius),
+          1
+        ));
       };
 
       const currentTargetD = obj.__currentTargetD || Object.assign({}, targetD, { alt: -1e-3 });
diff --git a/src/layers/points.js b/src/layers/points.js
index 4d43592..47772a8 100755
--- a/src/layers/points.js
+++ b/src/layers/points.js
@@ -98,7 +98,7 @@ export default Kapsule({
             // color vertices
             const color = color2ShaderArr(colorAccessor(d));
             geom.setAttribute('color', array2BufferAttr(
-              [...new Array(geom.getAttribute('position').count)].map(() => color),
+              Array(geom.getAttribute('position').count).fill(color),
               4
             ));
 
diff --git a/src/utils/interpolate.js b/src/utils/interpolate.js
index c0abfd9..6643254 100644
--- a/src/utils/interpolate.js
+++ b/src/utils/interpolate.js
@@ -8,7 +8,7 @@ const THREE = window.THREE
 export function interpolateVectors(fromPnts, toPnts) {
   const extendArr = (arr, length) => {
     const repeatItem = arr[arr.length-1];
-    return [...arr, ...[...new Array(length - arr.length)].map(() => repeatItem)];
+    return [...arr, ...Array(length - arr.length).fill(repeatItem)];
   };
 
   const arrLength = Math.max(fromPnts.length, toPnts.length);