Improve naming

tshemsedinov · tshemsedinov · commit 6201f3f4ddf1 · 2017-09-18T17:34:50.000+03:00
diff --git a/JavaScript/2-const-let.js b/JavaScript/2-const-let.js
@@ -1,16 +1,15 @@
 'use strict';
 
-console.dir({ a });
+console.dir({ bubbleEffect });
 
-var a = 5;
-let b = 6;
-const c = 7;
-
-const o = { a, b, c };
+var bubbleEffect = 5;
+let scalarVariable = 6;
+const scalarConstant = 7;
 
+const o = { scalarVariable, scalarConstant };
 console.dir(o);
 
-a = 8;
-b = 9;
+o.scalarVariable = 8;
+scalarVariable = 9;
 
 console.dir(o);
diff --git a/JavaScript/3-scalar.js b/JavaScript/3-scalar.js
@@ -1,15 +1,17 @@
 'use strict';
 
-const scalar = 5;
-const object1 = { field: scalar };
+const scalar1 = 5;
+const scalar2 = scalar1;
+
+const object1 = { field: scalar1 };
 const object2 = object1;
 
 console.dir({ object1 });
 console.dir({ object2 });
-console.dir({ scalar });
+console.dir({ scalar1 });
 
 object1.field = 6;
 
 console.dir({ object1 });
 console.dir({ object2 });
-console.dir({ scalar });
+console.dir({ scalar1 });
diff --git a/JavaScript/4-types.js b/JavaScript/4-types.js
@@ -5,27 +5,32 @@ const f = 10.3;
 const s = 'Hello';
 const b = true;
 
-const o = {
+const person = {
   name: 'Marcus Aurelius',
   born: 121,
   city: 'Roma',
   position: 'emperor'
 };
 
-o.city = 'Odessa';
+person.city = 'Odessa';
 
-const a = ['Athens', 'Roma', 'London', 'Beijing', 'Kiev', 'Riga'];
+const cities = ['Athens', 'Roma', 'London', 'Beijing', 'Kiev', 'Riga'];
 
-a.push('Odessa');
-a.unshift('New York');
+cities.push('Odessa');
+cities.unshift('New York');
 
-console.log('shifted:' + a.shift());
-console.log('pop: ' + a.pop());
+console.log('shift: ' + cities.shift());
+console.log('pop: ' + cities.pop());
 
 console.log({ i }, typeof(i));
 console.log({ s }, typeof(s));
 console.log({ b }, typeof(b));
 console.log({ f }, typeof(f));
-console.log({ o }, typeof(o), { isArray: Array.isArray(o) });
-console.log({ a }, typeof(a), { isArray: Array.isArray(a) });
-console.log({ a }, { instanceofArray: a instanceof Array });
+
+console.log({ person }, typeof(person));
+console.log({ isArray: Array.isArray(person) });
+
+console.log({ cities }, typeof(cities));
+console.log({ isArray: Array.isArray(cities) });
+
+console.log({ instanceofArray: cities instanceof Array });
diff --git a/JavaScript/5-undefined-null-NaN.js b/JavaScript/5-undefined-null-NaN.js
@@ -1,24 +1,25 @@
 'use strict';
 
 // undefined
-
-let u;
-console.log({ u }, typeof(u));
+let emptyScalar;
+console.log({ emptyScalar }, typeof(emptyScalar));
 
 // null
-
-const o = null;
-console.log({ o }, typeof(o));
+const enptyObject = null;
+console.log({ enptyObject }, typeof(enptyObject));
 
 // NaN
+let count = NaN;
+console.log({ count }, typeof(count));
 
-let n = NaN;
-console.log({ n }, typeof(n));
-
-n = undefined + 1;
-console.log(n);
+count = undefined + 1;
+console.dir({ count });
 
 console.log(Infinity, -Infinity, typeof(Infinity));
 
-const s = o === null ? 'o is null' : 'o is not null';
+const s = (
+  enptyObject === null ?
+    'enptyObject is null' :
+    'enptyObject is not null'
+);
 console.log(s);
