Add creating promise in js

sicktastic · May 13, 2016 · 0198904 · 0198904
1 parent 77e7a99
commit 0198904
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diff --git a/promises/.creating_promise.js.swp b/promises/.creating_promise.js.swp
diff --git a/promises/creating_promise.js b/promises/creating_promise.js
@@ -0,0 +1,18 @@
+// A Promise that returns a value
+function theUltimateAnswer() {
+  return new Promise(function(resolve) {
+    setTimeout(function(){
+      var value = 42;
+      resolve(value);
+    }, 3000);
+  });
+}
+
+promise = theUltimateAnswer()
+// Promise {[[PromiseStatus]]: "pending", [[PromiseValue]]: undefined}
+
+promise
+// Promise {[[PromiseStatus]]: "pending", [[PromiseValue]]: undefined}
+
+promise
+// Promise {[[PromiseStatus]]: "resolved", [[PromiseValue]]: 42}})