GitbookIO · imrozkhan205 · Sep 14, 2024
diff --git a/Async/async.md b/Async/async.md
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html>
+<body>
+<h1>JavaScript async / await</h1>
+<p id="demo"></p>
+
+<script>
+function myDisplayer(some) {
+  document.getElementById("demo").innerHTML = some;
+}
+
+async function myFunction() {return "Hello";}
+
+myFunction().then(
+  function(value) {myDisplayer(value);},
+  function(error) {myDisplayer(error);}
+);</script>
+
+</body>
+</html>
diff --git a/Async/asynchronous.md b/Async/asynchronous.md
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<h1>JavaScript Functions</h1>
+<h2>Callback Functions</h2>
+
+<p>The result of the calculation is:</p>
+<p id="demo"></p>
+
+<script>
+function myDisplayer(something) {
+  document.getElementById("demo").innerHTML = something;
+}
+
+function myCalculator(num1, num2, myCallback) {
+  let sum = num1 + num2;
+  myCallback(sum);
+}
+
+myCalculator(5, 5, myDisplayer);
+</script>
+
+</body>
+</html>
diff --git a/Async/callbacks.md b/Async/callbacks.md
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html>
+<body>
+
+<h1>JavaScript Functions</h1>
+<h2>Function Sequence</h2>
+<p>JavaScript functions are executed in the sequence they are called.</p>
+
+<p id="demo"></p>
+
+<script>
+function myDisplayer(some) {
+  document.getElementById("demo").innerHTML = some;
+}
+
+function myFirst() {
+  myDisplayer("Hello");
+}
+
+function mySecond() {
+  myDisplayer("Goodbye");
+}
+
+myFirst();
+mySecond();
+</script>
+
+</body>
+</html>
+
+
diff --git a/Async/promises.md b/Async/promises.md
@@ -0,0 +1,18 @@
+let myPromise = new Promise(function(myResolve, myReject) {
+// "Producing Code" (May take some time)
+
+  myResolve(); // when successful
+  myReject();  // when error
+});
+
+// "Consuming Code" (Must wait for a fulfilled Promise)
+myPromise.then(
+  function(value) { /* code if successful */ },
+  function(error) { /* code if some error */ }
+);
+
+When the producing code obtains the result, it should call one of the two callbacks:
+
+When	Call
+Success	myResolve(result value)
+Error	myReject(error object)
diff --git a/javascript-docs b/javascript-docs