The current best solution is an object with typed key and value (sometimes called a hashmap). For an object with keys of type string , and ... ... <看更多>

// In TypeScript, a `Map<K, V>` exists (it seems it actually is the one defined in JavaScript ES6). // However, at least in TypeScript 3.1.6, objects from this ... ... <看更多>

ES6 and Typescript Tutorial - 32 - Maps ; Courses - https://learn.codevolution.dev/ ; Support UPI - https://support.codevolution.dev/ ; ... <看更多>

Create a new Map object Add elements to a Map Initialize a map with an iterable object Get an element from a map by key Check the existence of an element by key Get the number of elements in the map ... <看更多>

You have to wait for the map to load before you can interact with it. See http://developers.arcgis.com/javascript/3/sandbox/sandbox.html?sample=graphics_add ... ... <看更多>