The underlying native asset of this asset if one is available. This property can be used to access additional details or functionality releated to the asset. This property will be initialized by the loader if_nativeis available. metadescription ...
Object.groupBytakes an iterable, and a function that decides which "group" each element should be placed in. The function needs to make a "key" for each distinct group, andObject.groupByuses that key to make an object where every key maps to an array with the original element in it. So...
例如: class MyClass {/*** This event is fired whenever the application navigates to a new page.* @eventProperty*/public readonly navigatedEvent: FrameworkEvent<NavigatedEventArgs>;} 1.2.7@example 指示应作为示例演示如何使用 API 的文档部分。 它可能包括代码示例。 例如: /*** Adds two numbers to...
Note that this is a breaking change. If you need to resort to the original behavior in which tuples only enforce a minimum size, you can use a similar declaration that does not explicitly define alengthproperty, falling back tonumber. Copy interfaceMinimumNumStrTupleextendsArray<number|string> ...
This is isomorphic to the example that "wanted" an error. At runtime,forEachinvokes the given callback with three arguments (value, index, array), but most of the time the callback only uses one or two of the arguments. This is a very common JavaScript pattern and it would be burden...
TypeError: Cannot read property 'toUpperCase' of undefined TypeScript assumed the array access would be within bounds, but it was not. The result was an exception. Uncaught errors also frequently come up when you use theanytype, which we’ll discuss inItem 5and in more detail inChapter 5....
Static methods and property accessors are inherited, too.ColoredCircle.areSameColor(c1, c2)same asColoredObject.areSameColor(c1, c2)Invoking multiple base constructorsIn the constructor of a derived class, use arrays to group together parameters to be passed to the constructors of each direct ...
commands?: ICommand[]: An array ofICommand, which, each one, contain acommandsproperty. If no commands are specified, the default will be used. Commands are explained in more details below. commandsFilter?: (command: ICommand, isExtra: boolean) => false | ICommand: Filter or modify your...
On other benchmarks, such as floating point or heavy array access, it’s still two to eight times faster than interpreters. We’ve also implemented a custom byte-code interpreter for potential use on Xbox and iOS, which don’t allow dynamic code generation. It uses the same memory layout...
原因应该是array.at 是es2022新增的语法,typescript低版本还不支持 而且仅仅是typescript报错,但是在浏览器里面还是正常运行的(如果改成any) 因为array.at 可能有兼容问题,所以我写了一个泛型函数替代了 因为我当前的需求是获取最后一个元素,本来想用Array.at(-1),这样比较方便 ...