diff --git a/playground/index.html b/playground/index.html
index 858ee6b..5112f78 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -6,6 +6,10 @@
         <script type="module" src="playground.ts"></script>
         <!--        <script type="module" src="testSingle.ts"></script>-->
         <style>
+            * {
+                font-family: monospace;
+            }
+
             @keyframes moveText {
                 0% {
                     color: black;
@@ -32,18 +36,22 @@
     <body>
         <div>
             <button id="run-interactive">interactive</button>
+            <button id="run-interactive-5s">interactive (5s)</button>
             <button id="run-smooth">smooth</button>
             <button id="run-idle">idle</button>
             <button id="run-all-sequential">run all (sequential)</button>
             <button id="run-all-parallel">run all (parallel)</button>
         </div>
+        <br />
         <div>
             <button id="post-task-blocking">postTask('user-blocking')</button>
             <button id="post-task-visible">postTask('user-visible')</button>
             <button id="post-task-background">postTask('background')</button>
         </div>
+        <br />
         <div>
             <button id="simulate-work">simulateWork()</button>
+            <button id="post-task-vs-yield-or-continue">postTask() vs yieldOrContinue()</button>
         </div>
         <div>
             <span id="animation">animation</span>
diff --git a/playground/playground.ts b/playground/playground.ts
index 6f1b67a..e78019e 100644
--- a/playground/playground.ts
+++ b/playground/playground.ts
@@ -1,9 +1,11 @@
-import { isTimeToYield, SchedulingStrategy, yieldOrContinue } from '../index'
-import threadScheduler from '../src/ThreadScheduler'
+import { isTimeToYield, SchedulingStrategy, withResolvers, yieldOrContinue } from '../index'
 
 document.querySelector('#run-interactive')!.addEventListener('click', () => {
     run('interactive')
 })
+document.querySelector('#run-interactive-5s')!.addEventListener('click', () => {
+    run('interactive', 5000)
+})
 document.querySelector('#run-smooth')!.addEventListener('click', () => {
     run('smooth')
 })
@@ -23,6 +25,18 @@ document.querySelector('#run-all-parallel')!.addEventListener('click', async ()
 document.querySelector('#simulate-work')!.addEventListener('click', async () => {
     simulateWork()
 })
+document.querySelector('#post-task-blocking')!.addEventListener('click', () => {
+    runPostTask('user-blocking')
+})
+document.querySelector('#post-task-visible')!.addEventListener('click', () => {
+    runPostTask('user-visible')
+})
+document.querySelector('#post-task-background')!.addEventListener('click', () => {
+    runPostTask('background')
+})
+document.querySelector('#post-task-vs-yield-or-continue')!.addEventListener('click', () => {
+    postTaskVsYieldOrContinue()
+})
 
 async function run(strategy: SchedulingStrategy, time: number = 1000) {
     const start = Date.now()
@@ -39,23 +53,13 @@ async function run(strategy: SchedulingStrategy, time: number = 1000) {
     })
 }
 
-document.querySelector('#post-task-blocking')!.addEventListener('click', () => {
-    runPostTask('user-blocking')
-})
-document.querySelector('#post-task-visible')!.addEventListener('click', () => {
-    runPostTask('user-visible')
-})
-document.querySelector('#post-task-background')!.addEventListener('click', () => {
-    runPostTask('background')
-})
-
 async function runPostTask(priority: 'user-blocking' | 'user-visible' | 'background') {
     const totalTime = 1000
     const singleTaskTime = 2
     const iterations = Math.round(totalTime / singleTaskTime)
     for (let i = 0; i < iterations; i++) {
         // @ts-ignore
-        threadScheduler.postTask(
+        scheduler.postTask(
             () => {
                 const start = Date.now()
                 while (Date.now() - start < singleTaskTime) {}
@@ -109,11 +113,32 @@ function matrixMultiplication(matrix1: number[][], matrix2: number[][]) {
     return result
 }
 
-// function postTask(): Promise<void> {
-//     const { promise, resolve } = withResolvers()
-//     // @ts-ignore
-//     scheduler.postTask(() => {
-//         resolve()
-//     })
-//     return promise
-// }
+function postTask(): Promise<void> {
+    const { promise, resolve } = withResolvers()
+    // @ts-ignore
+    scheduler.postTask(() => {
+        resolve()
+    })
+    return promise
+}
+
+async function postTaskVsYieldOrContinue() {
+    {
+        const start = performance.now()
+        let count = 0
+        while (performance.now() - start < 1000) {
+            await postTask()
+            count++
+        }
+        console.log('count', count)
+    }
+    {
+        const start = performance.now()
+        let count = 0
+        while (performance.now() - start < 1000) {
+            await yieldOrContinue('smooth')
+            count++
+        }
+        console.log('count', count)
+    }
+}
