As it is a language which is still in its development I recommend you to state a proposal of such facility.Menus Icon Bar Menu Icon Accordion Tabs Vertical Tabs Tab Headers Full Page Tabs Hover Tabs Top Navigation Responsive Topnav Split Navigation Navbar with Icons Search Menu Search Bar Fixed Sidebar Side Navigation Responsive Sidebar Fullscreen Navigation Off-Canvas Menu Hover Sidenav Buttons Sidebar with Icons Horizontal Scroll Menu Vertical Menu Bottom Navigation Responsive Bottom Nav Bottom Border Nav Links Right Aligned Menu Links Centered Menu Link Equal Width Menu Links Fixed Menu Slide Down Bar on Scroll Hide Navbar on Scroll Shrink Navbar on Scroll Sticky Navbar Navbar on Image Hover Dropdowns Click Dropdowns Cascading Dropdown Dropdown in Topnav Dropdown in Sidenav Resp Navbar Dropdown Subnavigation Menu Dropup Mega Menu Mobile Menu Curtain Menu Collapsed Sidebar Collapsed Sidepanel Pagination Breadcrumbs Button Group Vertical Button Group Sticky Social Bar Pill Navigation Responsive Header
TypeScript's instanceof shares the same problems.
#Code and typo check manual#
The is operator should be used instead of the instanceof operator for manual type checking, because the expression x instanceof y merely checks the prototype chain of x for the existence of y (and in ActionScript 3.0, the prototype chain does not provide a complete picture of the inheritance hierarchy). In previous versions of ActionScript, the instanceof operator provided this functionality, but in ActionScript 3.0 the instanceof operator should not be used to test for data type membership. The is operator, which is new for ActionScript 3.0, allows you to test whether a variable or expression is a member of a given data type. Note that this operator is also in ActionScript but it shouldn't be used there anymore:
So you could use mySprite instanceof Sprite The result is always of the Boolean primitive type.
The instanceof operator requires the left operand to be of type Any, an object type, or a type parameter type, and the right operand to be of type Any or a subtype of the 'Function' interface type.
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