replace forEach with for-loop over ['x', 'y']

Author: etpinard

src/components/annotations/draw.js

@@ -225,10 +225,13 @@ function drawOne(gd, index) {
         }
 
         var annotationIsOffscreen = false;
-        ['x', 'y'].forEach(function(axLetter) {
-            var axRef = options[axLetter + 'ref'] || axLetter,
+        var letters = ['x', 'y'];
+
+        for(var i = 0; i < letters.length; i++) {
+            var axLetter = letters[i],
+                axRef = options[axLetter + 'ref'] || axLetter,
                 tailRef = options['a' + axLetter + 'ref'],
-                ax = Axes.getFromId(gd, axRef),
+                ax = {x: xa, y: ya}[axLetter],
                 dimAngle = (textangle + (axLetter === 'x' ? 0 : -90)) * Math.PI / 180,
                 // note that these two can be either positive or negative
                 annSizeFromWidth = outerWidth * Math.cos(dimAngle),
@@ -350,7 +353,7 @@ function drawOne(gd, index) {
             // size/shift are used during dragging
             options['_' + axLetter + 'size'] = annSize;
             options['_' + axLetter + 'shift'] = textShift;
-        });
+        }
 
         if(annotationIsOffscreen) {
             annTextGroupInner.remove();