🔪 unnecessary 0 arg in slice(0) calls

Author: etpinard

src/plot_api/plot_api.js

@@ -3620,7 +3620,7 @@ function deleteFrames(gd, frameList) {
         }
     }
 
-    frameList = frameList.slice(0);
+    frameList = frameList.slice();
     frameList.sort();
 
     for(i = frameList.length - 1; i >= 0; i--) {

src/plots/command.js

@@ -372,7 +372,7 @@ function computeDataBindings(gd, args) {
                 thisTraces[j] = traces ? traces[j] : j;
             }
         } else {
-            thisTraces = traces ? traces.slice(0) : null;
+            thisTraces = traces ? traces.slice() : null;
         }
 
         // Convert [7] to just 7 when traces is null:

src/plots/plots.js

@@ -2737,7 +2737,7 @@ plots.doCalcdata = function(gd, traces) {
     // XXX: Is this correct? Needs a closer look so that *some* traces can be recomputed without
     // *all* needing doCalcdata:
     var calcdata = new Array(fullData.length);
-    var oldCalcdata = (gd.calcdata || []).slice(0);
+    var oldCalcdata = (gd.calcdata || []).slice();
     gd.calcdata = calcdata;
 
     // extra helper variables