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var para = document.createElement("p");
creates a new <p> element
creates a text node:
var node = document.createTextNode("This is a new paragraph.");
para.appendChild(node);
append the text node to the <p> element:
element.appendChild(para);
appends the new element to the existing element:
parent.removeChild(child);
Removing the child from the parent:
var child = document.getElementById("p1"); child.parentNode.removeChild(child);
Find the child you want to remove, and use its parentNode property to find the parent:
parent.replaceChild(para,child);
Replacing HTML Elements
