sample: runProductionLine

Author: SKindij

README.md

@@ -65,7 +65,7 @@ Common use cases in production setting:
  > You might schedule maintenance task to be executed every 1000 hours of machine operation.\
  > By using ``setTimeout``, you can schedule maintenance task to be executed after specified delay, ensuring that task is executed at appropriate time.
 
-#### There are two ways of running something regularly:
+There are two ways of running something regularly:
 + ``setInterval(callback, delay)`` is method that allows you to schedule macrotask to be executed repeatedly at specified interval. 
  > ```javascript 
  > // repeat with the interval of 2 seconds
@@ -83,10 +83,40 @@ Common use cases in production setting:
  > setTimeout(() => { clearTimeout (timerId); console.log('stop'); }, 7000);
  > ```
 
-
-
-
-
+> For example: we have a production line with 10 machines.\
+> Every 10 seconds, we want to calculate speed of each machine and update a dashboard with results.
+> > ```javascript
+> > function calculateMachineSpeed(machineId) {
+> > // perform some calculations to determine speed of machine
+> > const speed = Math.random() * 100; 
+> > // update the dashboard with the machine's speed
+> > updateDashboard(machineId, speed);
+> > };
+> > 
+> > function updateDashboard(machineId, speed) {
+> > // update the dashboard to display the machine's speed
+> > console.log(`Machine ${machineId} speed: ${speed.toFixed(2)}`);
+> > };
+> > 
+> > function runProductionLine() {
+> > // assume we have 10 machines on production line
+> > const machineIds = Array.from({ length: 10 }, (_, i) => i + 1); 
+> > const productionLineInterval = setInterval(() => {
+> > machineIds.forEach(machineId => {
+> > // calculate speed of each machine every 10 seconds
+> > setTimeout(() => {calculateMachineSpeed(machineId);}, 0);
+> > });
+> > }, 10000);
+> > // stop the execution of the program after 30 seconds
+> > setTimeout(() => {
+> > clearInterval(productionLineInterval);
+> > console.log('Production line has been shut down.');
+> > }, 30000);
+> > }
+> > 
+> > // start the production line
+> > runProductionLine();
+> > ```
 
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