<div id="div1">
<p id="p1">This is a paragraph.</p>
<p id="p2">This is another paragraph.</p>
</div>
<script>
var para=document.createElement("p");
var node=document.createTextNode("This is new.");
para.appendChild(node);
var element=document.getElementById("div1");
element.appendChild(para);
</script>
var para=document.createElement("p");
var node=document.createTextNode("This is a new paragraph.");
para.appendChild(node);
var element=document.getElementById("div1");
element.appendChild(para);
<div id="div1">
<p id="p1">This is a paragraph.</p>
<p id="p2">This is another paragraph.</p>
</div>
<script>
var parent=document.getElementById("div1");
var child=document.getElementById("p1");
parent.removeChild(child);
</script>
<div id="div1"> <p id="p1">This is a paragraph.</p> <p id="p2">This is another paragraph.</p> </div>
var parent=document.getElementById("div1");
var child=document.getElementById("p1");
parent.removeChild(child);
var child=document.getElementById("p1");
child.parentNode.removeChild(child);
<html>
<body>
<p id="p2">Hello World!</p>
<script>
document.getElementById("p2").style.color="blue";
</script>
<p>The paragraph above was changed by a script.</p>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<h1 id="id1">My Heading 1</h1>
<button type="button"
onclick="document.getElementById('id1').style.color='red'">
Click Me!</button>
</body>
</html>
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