JavaScript document.createProcessingInstruction() Method
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JavaScript document.createProcessingInstruction() Method
The document.createProcessingInstruction() method generates a new processing instruction node and returns it.
Example
The XML file used in the example: person.xml.
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p>Display XML with CSS property</p>
<p>Click the button to create processing instruction of xml</p>
<button onclick="myFunction()">Click Me</button>
<p id="point"></p>
<script>
var x = document.getElementById("point");
function myFunction() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function(){
if(this.readyState == 4 && this.status == 200){
var xmlDoc=xhttp.responseXML;
var pi = xmlDoc.createProcessingInstruction('xml-stylesheet', 'href="mycss.css" type="text/css"');
xmlDoc.insertBefore(pi, xmlDoc.firstChild);
var xmlText = new XMLSerializer().serializeToString(xmlDoc);
var xmlTextNode = document.createTextNode(xmlText);
x.appendChild(xmlTextNode);
}
};
xhttp.open("GET", "/person.xml", true);
xhttp.send();
}
</script>
</body>
</html>
Syntax
document.createProcessingInstruction(target, data)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| target | Required | A string containing the first part of the processing instruction. |
| data | Required | A string containing the information of the processing instruction. |
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