JavaScript/dom6.html at main · sudeepnagar/JavaScript · GitHub

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<!DOCTYPE html>
<html lang="em">
<head>
      <script>
	    const sum=function(x=0,y=0,z=0){//default params
		     return x+y+z;
		}
	  </script>
	  <title>DOM</title>
</head>
<body>
  <h3>demo on element object (styles)</h3>
  <h2 id="h" style="background:red ; color:yellow;">document object model</h2>
<hr>
     <script>
         const h2=document.querySelector("#h");

		 document.write(`${h2.style.color}
		                ${h2.style.background} <br>`);

				h2.style.color="white";
				h2.style.background="blue";
				h2.style.display="inline-block";
				h2.style.boxShadow="0 0 15px red";

				document.body.style.background="pink";

		</script>
</body>
</html>