Merge pull request #3 from Ansari1120/main

Async js

Author: Ansari1120

Aync Await another example.js

@@ -0,0 +1,40 @@
+function getToastPromise() {
+  return new Promise((resolve, reject) => {
+    let wifeMood = 6;
+    setTimeout(() => {
+      if (wifeMood >= 5) {
+        resolve("toast is ready");
+      } else {
+        reject("im in a bad mood");
+      }
+    }, 2000);
+  });
+}
+//getToastPromise();
+
+function getFryPromise() {
+  return new Promise((resolve, reject) => {
+    let wifeMood = 6;
+    setTimeout(() => {
+      if (wifeMood >= 5) {
+        resolve("Egg is Fried !");
+      } else {
+        reject("im in a bad mood");
+      }
+    }, 3000);
+  });
+}
+
+//await await
+async function getResult() {
+  try {
+    let result = await getToastPromise(); // wait for result to occur eith in the form of reject or resolve
+    console.log(result);
+    let eggResult = await getFryPromise(); // wait for second promise  result to occur eith in the form of reject or resolve
+    console.log(eggResult);
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+getResult(); //calling aync function.

Promise example 3.js

@@ -0,0 +1,39 @@
+function getToastPromise() {
+    return new Promise((resolve, reject) => {
+      let wifeMood = 6;
+      setTimeout(() => {
+        if (wifeMood >= 5) {
+          resolve("toast is ready");
+        } else {
+          reject("im in a bad mood");
+        }
+      }, 2000);
+    });
+  }
+  //getToastPromise();
+  
+  function getFryPromise() {
+    return new Promise((resolve, reject) => {
+      let wifeMood = 6;
+      setTimeout(() => {
+        if (wifeMood >= 5) {
+          resolve("Egg is Fried !");
+        } else {
+          reject("im in a bad mood");
+        }
+      }, 3000);
+    });
+  }
+  
+getToastPromise()
+.then((arg)=>{
+    console.log(arg);
+    return getFryPromise();
+})
+.then((arg)=>{
+    console.log(arg);
+})
+.catch((error)=>{
+    console.log(error);
+});
+  

Promise in js.js

@@ -0,0 +1,17 @@
+function getToastPromise() {
+  return new Promise((resolve, reject) => {
+    let wifeMood = 3;
+    if (wifeMood >= 5) {
+      resolve("toast is ready");
+    } else {
+      reject("im in a bad mood");
+    }
+  });
+}
+getToastPromise()
+  .then((arg) => {
+    console.log(arg);
+  })
+  .catch((error) => {
+    console.error(error);
+  });

callback as Async.js

@@ -0,0 +1,13 @@
+function makeFryAnda(callback) {
+  setTimeout(() => {
+    callback("egg fried");
+  }, 2000);
+}
+
+function eggFriedCallback(param) {
+  console.log(param);
+}
+
+makeFryAnda(eggFriedCallback);
+
+console.log("end");

merged callback along function.js

@@ -0,0 +1,20 @@
+function makeFryAnda(callback) {
+  setTimeout(() => {
+    callback("Egg Fried");
+  }, 2000);
+}
+//function declaration 2 alogwith callback
+
+function toastBread(cb) {
+  setTimeout(() => {
+    cb("toast Done");
+  }, 3000);
+}
+
+//function invokation
+toastBread(function (para) {
+  console.log(para); //calbacking torasbread function 2
+  makeFryAnda(function (para1) {
+    console.log(para1);
+  }); // callbacking function 1 (makefryanda)
+});

promise with set time out.js

@@ -0,0 +1,19 @@
+function getToastPromise() {
+  return new Promise((resolve, reject) => {
+    let wifeMood = 6;
+    setTimeout(() => {
+      if (wifeMood >= 5) {
+        resolve("toast is ready");
+      } else {
+        reject("im in a bad mood");
+      }
+    }, 2000);
+  });
+}
+getToastPromise()
+  .then((arg) => {
+    console.log(arg);
+  })
+  .catch((error) => {
+    console.error(error);
+  });