lfcoding1 · lfcoding1 · commit be8c55dfedab · 2018-10-11T11:38:05.000+02:00
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diff --git a/week2js/3tada15_17.js b/week2js/3tada15_17.js
@@ -30,8 +30,15 @@ console.log(o2);
 console.log(o3);  // yes o3 has been changed//
 
 // 17. type of//
-let bar = 42;  // typeof bar would return number//
-console.log(typeof typeof bar); // returns string//
+let bar = 42;  
+console.log(typeof typeof bar); 
+console.log(typeof bar);
+console.log(bar);
+
+// 42 is a primitive (ie because it is a number).  so you cannot get a typeof of it usually as it has no property.
+//but in order to get a typeof, it is temporarily coerced into being an object.
+//so then it can return a value ie string (line 34) or number (line 35)
+//the created object is then removed into the garbage.
 
 
 
