<h2 id="heading-setinterval">setInterval()</h2>
<pre><code>setInterval(func, delay, arg0, arg1, /* … ,*/ argN)
</code></pre><blockquote>
function - A function to be executed every delay milliseconds. code - An optional syntax allows you to include a string instead of a function, delay Optional - The time, in milliseconds (thousandths of a second), the timer should delay in between executions of the specified function or code. arg0, …, argN Optional - Additional arguments which are passed through to the function specified by func once the timer expires. Flashtext() - (<a target="_blank" href="https://developer.mozilla.org/en-US/docs/Web/API/setInterval#example_2_alternating_two_colors">link</a>) 
</blockquote>
<h2 id="heading-clearinterval">clearInterval()</h2>
<pre><code>clearInterval(intervalID)
</code></pre><blockquote>
intervalID - The identifier of the repeated action you want to cancel. This ID was returned by the corresponding call to setInterval().
</blockquote>
<h2 id="heading-settimeout">setTimeout()</h2>
<pre><code>setTimeout(functionRef, delay, param1, param2, /* … ,*/ paramN)
</code></pre>setTimeout() is an asynchronous function, meaning that the timer function will not pause execution of other functions in the functions stack. In other words, you cannot use setTimeout() to create a "pause" before the next function in the function stack fires. 
<pre><code>setTimeout(() =&gt; {console.log("this is the first message")}, 5000);
 setTimeout(() =&gt; {console.log("this is the second message")}, 3000);
 setTimeout(() =&gt; {console.log("this is the third message")}, 1000);
</code></pre><h3 id="heading-prompt-alert-confirm-for-the-pop-up-window">Prompt, alert, Confirm for the pop up window</h3>

## setInterval() 
```
setInterval(func, delay, arg0, arg1, /* … ,*/ argN)
```
> **function** -  A function to be executed every delay milliseconds.   
> **code** - An **optional **syntax allows you to include a string instead of a function,  
> **delay Optional** - The time, in milliseconds (thousandths of a second), the timer should delay in between executions of the specified function or code.       
> **arg0, …, argN Optional** -  Additional arguments which are passed through to the function specified by func once the timer expires.    
> **Flashtext()** - ([link](https://developer.mozilla.org/en-US/docs/Web/API/setInterval#example_2_alternating_two_colors))  

## clearInterval() 
```
clearInterval(intervalID)
``` 
 > **intervalID**  - The identifier of the repeated action you want to cancel. This ID was returned by the corresponding call to setInterval().

## setTimeout()

```
setTimeout(functionRef, delay, param1, param2, /* … ,*/ paramN)
``` 
setTimeout() is an asynchronous function, meaning that the timer function will not pause execution of other functions in the functions stack. In other words, you cannot use setTimeout() to create a "pause" before the next function in the function stack fires.  
```
setTimeout(() => {console.log("this is the first message")}, 5000);
  setTimeout(() => {console.log("this is the second message")}, 3000);
  setTimeout(() => {console.log("this is the third message")}, 1000);
``` 
### Prompt, alert, Confirm for the pop up window





Method

setInterval()

clearInterval()

setTimeout()

Prompt, alert, Confirm for the pop up window