When a function is invoked as a function rather that as a method, the this keyword refers to the global
object. Confusingly, this is true even when a nested function is invoked (as a function) within a containing
method that was invoked as a method: the this keyword has one value in the containing function but
(counterintuitively) refers to the global object within the body of the nested function.
Note that this is a keyword, not a variable or property name. JavaScript syntax does not allow you to
assign a value to this .
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Extending Built-in Types
2009-01-08 13:55 728The Function.apply( ) method is ... -
Breakpoints using closures
2009-01-07 13:43 869// // This function implements ... -
Private properties with closures
2009-01-07 13:13 767// // This function adds proper ... -
Constructor Functions
2009-01-07 00:42 763the new operator creates a new ... -
The callee Property
2009-01-07 00:02 667In addition to its array elemen ... -
Variable-Length Argument Lists: The Arguments Obje
2009-01-06 23:06 793The Arguments object has one ve ... -
Function Literals
2009-01-06 21:50 705Although function literals crea ... -
Nested Functions
2009-01-06 21:09 768Nested functions may be defined ... -
Deleting Array Elements
2009-01-05 22:11 571The delete operator sets an arr ... -
Reading and Writing Array Elements
2009-01-05 22:00 769Note that array indexes must be ... -
The valueOf() Method
2009-01-05 18:05 747... -
The toLocaleString() Method
2009-01-05 18:02 858In ECMAScript v3 and JavaScript ... -
The constructor Property
2009-01-05 17:51 793[size=medium]Since constructor ... -
the empty statement
2009-01-05 00:29 788[size=medium]When you intention ... -
with
2009-01-05 00:27 686[size=medium]The with statement ... -
try/catch/finnaly
2009-01-05 00:17 892If control leaves the try bloc ... -
throw
2009-01-04 23:56 693The tHRow statement has the fol ... -
return
2009-01-04 23:52 817If a function executes a return ... -
functions
2009-01-04 23:48 799[size=medium]Technically speaki ... -
Labels
2009-01-04 23:01 711Label names are distinct from v ...
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