Fixed var declaration site, see #78

js/gravity-force-lab/model/GravityForceLabModel.js

@@ -39,7 +39,6 @@ define( function( require ) {
    * @constructor
    */
   function GravityForceLabModel() {
-    var self = this;
     this.massRange = new RangeWithValue( 1, 1000 ); // @public
 
     this.forceProperty = new Property( 0 ); // @public (read-only)
@@ -79,9 +78,8 @@ define( function( require ) {
       var change_factor = 0.0001; // this is empirically determined larger change factor may make masses farther but converges faster
       var sumRadius = this.mass1.radiusProperty.get() + this.mass2.radiusProperty.get() + MIN_SEPARATION_BETWEEN_MASSES;
       var changed = false;
-      var i = 0;
       // for loop is to make sure after checking the boundaries constraints masses don't overlap
-      for ( i = 0; i < 10; i++ ) {
+      for ( var i = 0; i < 10; i++ ) {
         // check for overlap and move both masses so that they don't overlap
         if ( Math.abs( locationMass1 - locationMass2 ) < sumRadius ) {
           while ( Math.abs( locationMass1 - locationMass2 ) < sumRadius ) {