Solved the two questions of the JavaScript

1. Cast the provided value as an async
2. Chain asynchronous function

Author: Devendra Parmar

October/CastTheProvidedValueAsAnArray.js

@@ -0,0 +1,8 @@
+// Write a JavaScript program to cast the provided value as an array if it's not one.
+
+const castValue = (val) => {
+  return Array.isArray(val) ? val : [val];
+};
+
+console.log(castValue("devendra"));
+console.log(castValue([123]));

October/ChainAsynchronousFunctions.js

@@ -0,0 +1,25 @@
+// Write a JavaScript program to chain asynchronous functions.
+
+// Note: Loop through an array of functions containing asynchronous events, calling next when each asynchronous event has completed.
+
+const chainAsync = (fns) => {
+  let cur = 0;
+
+  const next = () => fns[cur++](next);
+
+  next();
+};
+
+chainAsync([
+  (next) => {
+    console.log("0 Seconds!");
+    setTimeout(next, 1000);
+  },
+  (next) => {
+    console.log("1 Seconds!");
+    setTimeout(next, 1000);
+  },
+  (next) => {
+    console.log("2 Seconds!");
+  },
+]);