XML DOM createComment() Method
Definition and Usage
createComment()
Method creates a comment node.
This method returns a Comment object.
Syntax
createComment(data)
Parameter | Description |
---|---|
data | String, specifies node data. |
Example
The following code loads "books.xml" into xmlDoc and adds a comment node to the <book> element:
var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { myFunction(this); } }; xhttp.open("GET", "books.xml", true); xhttp.send(); function myFunction(xml) { var x, i, newComment, xmlDoc, txt; xmlDoc = xml.responseXML; txt = ""; x = xmlDoc.getElementsByTagName("book"); for (i = 0; i < x.length; i++) { newComment = xmlDoc.createComment("Revised April 2008"); x[i].appendChild(newComment); } for (i = 0; i < x.length; i++) { txt += x[i].getElementsByTagName("title")[0].childNodes[0].nodeValue + " - " + x[i].lastChild.nodeValue + "<br>"; } document.getElementById("demo").innerHTML = txt; }