Two methods added

backend/express.js

@@ -0,0 +1,51 @@
+/* *******************************************************************************************
+ * API
+ * http://expressjs.com/en/api.html
+ * ******************************************************************************************* */
+
+const express = require("express"); // Importing the express library.
+const app = express(); // Intializing the imported express application
+
+/* *******************************************************************************************
+ * GLOBAL OBJECTS
+ * http://expressjs.com/en/api.html#express.json
+ * ******************************************************************************************* */
+
+Methods;
+
+express.json([options]);
+
+options: `
+inflate // to manage the deflated bodies like enabling and disabling
+
+limit  // Controls the maximum request body size.
+
+reviver // It is passed directly to JSON.parse as an second argument
+
+type    // This is used to determine the type of middleware will parse
+
+verify  // It is an undefined function which used to verify the middleware parsing.
+
+`;
+
+express.raw([options]);
+
+options: `
+inflate // to manage the deflated bodies like enabling and disabling
+
+limit  // Controls the maximum request body size.
+
+type    // This is used to determine the type of middleware will parse
+
+verify  // It is an undefined function which used to verify the middleware parsing.
+`;
+
+express.Router([options]);
+
+options: `
+caseSensitive             //Enables case sensitivity
+
+mergeParams               //if param names of child and parent are conflicted then the child takes the precedence
+
+strict                    // Enables Strict routing
+`;