11 - Promises and Async

Author: codingforentrepreneurs

reference_examples/js/promises_and_async.js

@@ -0,0 +1,39 @@
+function success(x) {
+    console.log('success', x.data)
+}
+
+function error(err) {
+    console.log('err', err.data)
+}
+
+// function handleResolve(resolve){
+
+// }
+
+// ajax -> XMLHttpRequest, fetch
+const laundryPromise = new Promise(resolve=>{
+    resolve({data: "Take out laundry"})
+    
+    //throw ({data: "This is an error. I forgot"})
+
+}) // built-in class
+
+// console.log(laundryPromise)
+
+// laundryPromise.then(success).catch(error)
+
+// console.log("When does this run??")
+
+async function helloThere () {
+    const result = await laundryPromise.catch(x=>{
+        throw(x)
+    })
+    // return result
+}
+
+helloThere().then(x=>{
+    console.log(x)
+}).catch(x=>{
+    console.log('err', x)
+})
+// console.log(result)