JavaScript/timer3.html at main · sudeepnagar/JavaScript · GitHub

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<!--timer functions-->
<!DOCTYPE html>
<html lang="em">
<head>
      <meta charset="UTF-8">
      <script>

	  </script>


</head>
<body>

   <h1>changing wallpaper</h1>
   <p>ao;slddjfoasjdfjosjgoidfjosasjfosajf asdlfjladsj sslkjdoasjgoss
   laskjfoasd sjfkadsjfojsoj sfsdjdll
   salkjsgfjlksdjldfgjklsdflkkdflgjlskfldfgjlsdkflkkjglksldfkldfkglksld;fklsagl
   </p>
   <div>asjdofjasiojflkadsjoifjodfkjfos asldkjfoiasjflsdjfio asddfjasiojfladsmf
   asdlkkfjoiadsjfoasdofs asdlflkadsdjfoas masddflasdkf
   ;sdllkfsjopdfks</div>

        <script>
          const imgs=['MyLogo.png','bike.jpg','pakhi.jpg'];
		  let i=0;

		  setInterval(function(){
		         document.body.style.backgroundImage=`url(${imgs[i]})`;
				 document.body.style.backgroundSize="cover";
				 i++;
				 if(i==imgs.length)
				 i=0;


		  },"3000");


		</script>

</body>
</html>
<!--
setTimeout()
setInterval()
           callback, timer, it exe task, repeatedly for every n mi.sec
		   var=widow.setInterval(task,"interval")
clearTimeout()

-->