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+<h2>Synchronous</h2>
+<p>Every Statement of code get executed one by one so basically a statement has to wait for earliar statement to get executed.<p>
+ <h4>Example</h4>
+ 
+ ```
+    console.log("javascript");
+    console.log("run");
+    console.log("code");
+  ```
+  <p>It will print javascript first then run then code .<p>
+ 
+  <h2>Asynchronous</h2>
+  <p>It allow to program excuted immediatly without blocking the code unlike the synchronous method. it doesnot wait for earliear statment to get excuted first. </p>
+  <p>Each task excuted completed independly.</p>
+  
+  ```
+  console.log("javascript")
+  setTimeOut(()=>{
+      console.log("run");
+      2000
+  })
+  console.log("code")
+  
+  ```
+  <p>It will print javascript then code then run. </p>
+  
+  
+