andrelandgraf · July 29, 2018 15:44 · Jul 29, 2018
diff --git a/index.js b/index.js
@@ -0,0 +1,26 @@
+/*
+ * what happens if task 1 takes longer than 1500 milliseconds to be executed? Does task 2 has to wait?
+ */
+function doSomethingLonger(name, callback){
+    // 2.) task 1: we execute console.log('1');
+    console.log('1');
+    // 3.) task 1: we execute setTimeout. Set timeout creates a new task (task 2) that will be executed in 1500 milliseconds from now on
+    setTimeout(callback, 1500, name);
+    // 4.) task 1: we execute console.log('2');
+    while(true);
+    console.log('2');
+}
+
+// 1.) task1: Execution starts here in the global scope, calling the function doSomething
+doSomethingLonger('Alice', function(message){
+    // task: 2 starts after 1500 milliseconds and executes console.log('Alice');
+    console.log(message);
+    throw new Error('For gods sake, stop this madness and break the loop');
+});
+
+/* => Output:
+ * 1
+ * pending...
+ *
+ * The event loop handles one task after another, task 2 will never start, and console.log('2'); is unreachable as well.
+ */
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