context.addJavascriptInterface(newJsObject(),"injectedObject"); staticJsContextcurrent() 返回当前执行 JavaScript 的JsContext,线程独立。 voiddestroy() 销毁JsContext。一旦调用了本方法,再使用这个JsContext或隶属于它的任何对象都是不合法的。 voidevaluateJavascript(String script, ValueCallback<String> resultCal...
JSContext.GlobalObject 屬性參考 意見反應 定義命名空間: JavaScriptCore 組件: Xamarin.iOS.dll C# 複製 public virtual JavaScriptCore.JSValue GlobalObject { [Foundation.Export("globalObject")] get; } 屬性值 JSValue 屬性 ExportAttribute 適用於 產品版本 Xamarin iOS SDK 12 ...
<html> <head> <title></title> <script type="text/javascript"> function callXamObject() { // `myCSharpObject` injected into JS context by C# code `context [(NSString) "myCSharpObject"] = JSValue.From (...etc...` var resultCalculatedInCSharp = myCSharpObject.myFunc(); document....
jsCopy to Clipboard getContext(contextType) getContext(contextType, contextAttributes) Parameters contextType A string containing the context identifier defining the drawing context associated to the canvas. Possible values are: "2d" Creates a CanvasRenderingContext2D object representing a two-dimensional...
组件树的底层组件在很多时候是需要更新Provider组件的context value的。面对这种业务场景,你可以在创建context object的时候传入一个function类型的key-value,然后伴随着context把它传递到Consumer组件当中: theme-context.js 代码语言:javascript 复制 // Make sure the shape of the default value passed to// createCo...
JSType JSValue JSVirtualMachine LocalAuthentication MapKit MediaAccessibility MediaPlayer MediaToolbox 消息 MessageUI 金属 MetalKit MetalPerformanceShaders MobileCoreServices ModelIO MonoTouch.Dialog MonoTouch.Dialog.Utilities MonoTouch.NUnit MonoTouch.NUnit.UI ...
<html> <head> <title></title> <script type="text/javascript"> function callXamObject() { // `myCSharpObject` injected into JS context by C# code `context [(NSString) "myCSharpObject"] = JSValue.From (...etc...` var resultCalculatedInCSharp = myCSharpObject.myFunc(); document....
The JavaScript global object associated with the context. (read-only) Declaration @property(readonly, strong) JSValue *globalObject Discussion In a web browser, the global object of a JavaScript context is the browser window (the window object in JavaScript). Outside of web-browser use, a ...
In this example: We create a new context with JavaScript as the only permitted language. Next, we load the JavaScript bindings object and assign it to a local variablejsBindings. Then, we insert a new memberfoointo to the bindings object and verify that the object is accessible within the ...
//xxx.js export default { onShow() { const el =this.$refs.canvas; const ctx = el.getContext('2d'); ctx.save(); } } createLinearGradient6+ createLinearGradient(x0: number, y0: number, x1: number, y1: number): Object 创建一个线性渐变色,返回CanvasGradient对象...