Update js codes.docx

Author: priya42bagde

js codes.docx

@@ -2812,5 +2812,31 @@ WeakMap: It's similar to WeakSet where can't able to iterate and only stores an
 Hoisting : Its related to memory management.
 Global execution context having 2 component. In memory componenet variable and functions will store. Variable store with undefined and function store with prototype
 of function. Var or functions will push to Callstack and then pop.
+============================================================================================================================================================================
+2 ways of Curring function with closures:
+  
+  
+*****Using Normal Function******
+  
+function add(a){
+  return function(b){
+    if(b) return add(a+b);
+    return a;
+  }
+}
+console.log('Sum :', add(1)(2)(3)(4)(5)(6)(7)(8)()) //"Sum :", 36
+
 
+*****Using Arrow Function******
+  
+function sum(num1) {
+        return (num2) => {
+            if(!num2) {
+                return num1;
+            }
+            return sum(num1 + num2);
+        }
+    }
+console.log('Sum :', sum(1)(2)(3)(4)(5)(6)(7)(8)()) //"Sum :", 36
+=====================================================================================================================================================================