work

1-js/7-deeper/2-closure/article.md

@@ -11,7 +11,7 @@ But what happens when outer variables have change? Does a function get a new val
 
 Also, what happens when a function travels to another place of the code -- will it get access to variables in the new place?
 
-We realy should understand what's going on before doing complex things with functions. There is no general programming answer for that. Different languages behave differently. Here we'll concentrate on Javascript.
+We realy should understand what's going on before doing complex things with functions. There is no general programming answer for that. Different languages behave differently. Here we'll cover Javascript of course.
 
 [cut]
 
@@ -776,27 +776,24 @@ In-browser `window` is sometimes used for following purposes:
     ```
 
 ````smart header="Window and \"this\""
-As we know, usually `this` is used inside an object method to access the object.
+As we know, usually `this` is used inside an object method to access the object. But there are special cases when `this` equals `window`:
 
-But outside of that, sometimes `this` equals `window`:
+1. The value of the global `this` is `window`:
-
-- The value of the global `this` is `window`:
 
     ```js run
     // outside of functions
     alert( this === window ); // true
     ```
 
-- When a function with `this` is called in not-strict mode:
+2. When a function with `this` is called in not-strict mode:
     ```js run no-strict
-    // not in strict mode
+    // not in strict mode (!)
     function f() {
-      alert(this); // [object Window]
+      alert(this); // [object Window] (in strict mode would be undefined)
     }
 
     f(); // called without an object
     ```
-    That's for compatibility. With `use strict` in the last example `this` would be `undefined`.
 
 ````
 

1-js/plan2.txt

@@ -53,9 +53,10 @@ data-structures
 <<< descriptors (TODO: LATER, need JSON to output, better after inheritance to explain getOwnProps)
 <<< getter setter
 <<< NFE?
-<<< function is object ??
+<<< 
 <<< call/apply?
 
+
 recursion (
   running execution context = where + lexical environment = envrec + outer
   context stack
@@ -63,6 +64,13 @@ recursion (
   traverse list task
     task: traverse list back
 )
+
+<< function is object
+  name property (obj props, methods, assignments - set it)
+  length property
+
+<< NFE
+
 closures
   LE outer
   returning a function
@@ -70,8 +78,9 @@ closures
   new Function?
   counter object?
 
-new function
+<< new function
 
+scheduling: settimeout, setinterval
 
 bind, currying
 decorators