casting

How does one handle type casting in TypeScript or Javascript? Say I have the following TypeScript code: module Symbology { export class SymbolFactory { createStyle( symbolInfo : SymbolInfo) : any { if (symbolInfo == null) { return null; } if (symbolInfo.symbolShapeType === “marker”) { // how to cast to MarkerSymbolInfo return this.createMarkerStyle((MarkerSymbolInfo) symbolInfo); } } … Read more