Clarifies comments about inner and outer loops

script.js

@@ -7,7 +7,7 @@ function doUntil(loop, stopCondition, yieldCondition) {
 	let outerLoop = function () {
 	    while (true) {
 		
-		// Execute a single loop
+		// Execute a single inner loop iteration
 		loop();
 
 		if (stopCondition()) {
@@ -15,17 +15,17 @@ function doUntil(loop, stopCondition, yieldCondition) {
 		    resolve();
 		    break;
 		} else if (yieldCondition()) {
-		    // Exit loop and queue up more iterations
+		    // Exit outer loop and queue up next outer loop iteration
 		    // for next event cycle
 		    setTimeout(outerLoop, 0);
 		    break;
 		}
 		
-		// Continue to next loop without yielding
+		// Continue to next inner loop iteration without yielding
 	    }
 	};
 
-	// Start the first iteration, unless the stop condition is met 
+	// Start the first iteration of outer loop, unless the stop condition is met 
 	if (!stopCondition()) {
 	    setTimeout(outerLoop, 0);
 	}