Revert "update: renderjs android 5"

This reverts commit c80e7c0.

Author: Wangyaqi

pages/component/canvas/canvas.vue

@@ -16,14 +16,15 @@
 </template>
 
 <script module="animate" lang="renderjs">
-    function Ball(options) {
-        var x = options.x
-        var y = options.y
-        var vx = options.vx
-        var vy = options.vy
-        var canvasWidth = options.canvasWidth
-        var canvasHeight = options.canvasHeight
-        var ctx = options.ctx
+    function Ball({
+        x,
+        y,
+        vx,
+        vy,
+        canvasWidth,
+        canvasHeight,
+        ctx
+    }) {
         this.canvasWidth = canvasWidth
         this.canvasHeight = canvasHeight
         this.ctx = ctx
@@ -75,33 +76,33 @@
 
     export default {
         methods: {
-            start: function(newVal, oldVal, owner, ins) {
-                var canvasWidth = ins.getDataset().width,
+            start(newVal, oldVal, owner, ins) {
+                let canvasWidth = ins.getDataset().width,
                     canvasHeight = ins.getDataset().height,
                     canvasEle = document.querySelectorAll('.canvas>canvas')[0],
                     ctx = canvasEle.getContext('2d'),
                     speed = 3,
                     ballList = [],
                     layer = 3,
                     ballInlayer = 20
-                for (var i = 0; i < layer; i++) {
-                    var radius = getDistance(canvasWidth / 2, canvasHeight / 2) / layer * i
-                    for (var j = 0; j < ballInlayer; j++) {
-                        var deg = j * 2 * Math.PI / ballInlayer,
+                for (let i = 0; i < layer; i++) {
+                    let radius = getDistance(canvasWidth / 2, canvasHeight / 2) / layer * i
+                    for (let j = 0; j < ballInlayer; j++) {
+                        let deg = j * 2 * Math.PI / ballInlayer,
                             sin = Math.sin(deg),
                             cos = Math.cos(deg),
                             x = radius * cos + canvasWidth / 2,
                             y = radius * sin + canvasHeight / 2,
                             vx = speed * cos,
                             vy = speed * sin
                         ballList.push(new Ball({
-                            x: x,
-                            y: y,
-                            vx: vx,
-                            vy: vy,
-                            canvasWidth: canvasWidth,
-                            canvasHeight: canvasHeight,
-                            ctx: ctx,
+                            x,
+                            y,
+                            vx,
+                            vy,
+                            canvasWidth,
+                            canvasHeight,
+                            ctx,
                             radius: 5
                         }))
                     }