Loop structures: Difference between revisions

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@@ Line 202: / Line 202: @@
 ===while===
-    while(true)
+    while(true) {
-    {
         foo();
     }
+===do while===
+    do {
+        foo();
+    } while(test);
 ===for===
-    for(var i = 0; i < 5; i++)
+    for(var i = 0; i < 5; i++) {
-    {
         foo();
     }
-===foreach===
+===for in===
- //iterate through properties of an object as if through a collection
+ //iterate through property names of an object
- var obj = {prop1:"a",prop2:"b",prop3:"c"};
+ var obj = {prop1:"a", prop2:"b", prop3:"c"};
  for (var key in obj)
-   alert(obj[key]);
+   alert( key + ' is set to ' + obj[key] );
+=== for each in===
+ //iterate through property values of an object
+ var obj = {prop1:"a", prop2:"b", prop3:"c"};
+ for each(var element in obj)
+   alert( element );
 ==[[Pascal]]==