a few more comments in return

Polymer · Sep 7, 2017 · f6f0a3b · f6f0a3b
1 parent c802b8b
commit f6f0a3b
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Showing 2 changed files with 4 additions and 9 deletions.
diff --git a/lib/legacy/mutable-data-behavior.html b/lib/legacy/mutable-data-behavior.html
@@ -15,9 +15,8 @@
   'use strict';
 
   let mutablePropertyChange;
-  (
-    /** @suppress {missingProperties} */
-    function() {
+  /** @suppress {missingProperties} */
+  (() => {
     mutablePropertyChange = Polymer.MutableData._mutablePropertyChange;
   })();
 

diff --git a/lib/mixins/property-accessors.html b/lib/mixins/property-accessors.html
@@ -605,12 +605,8 @@
        * @protected
        */
       _shouldPropertyChange(property, value, old) {
-        return (
-          // Strict equality check
-          (old !== value &&
-           // This ensures (old==NaN, value==NaN) always returns false
-           (old === old || value === value))
-        );
+        // check equality, and ensure (old == NaN, value == NaN) always returns false
+        return old !== value && (old === old || value === value);
       }
 
     }