JS FunctionsFunction Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures JS ClassesClass Intro Class Inheritance Class Static JS AsyncJS Callbacks JS Asynchronous JS Promises JS Async/Await JS HTML DOM...
Parameters extracts the parameter types of a function type as an array.Example type PointPrinter = (p: { x: number; y: number; }) => void; const point: Parameters<PointPrinter>[0] = { x: 10, y: 20 }; Try it Yourself » ...
function(event,xhr,options,exc) Required. Specifies the function to run if the request fails Additional parameters: event - contains the event object xhr - contains the XMLHttpRequest object options - contains the options used in the AJAX request exc - contains the JavaScript exception, if one ...