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XML DOM getElementsByTagName() Method


Document Object Reference Document Object

Example

The following code fragment loads "books.xml" into xmlDoc and displays the value of the first <title> element:

var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
    if (xhttp.readyState == 4 && xhttp.status == 200) {
        myFunction(xhttp);
    }
};
xhttp.open("GET", "books.xml", true);
xhttp.send();

function myFunction(xml) {
    var xmlDoc = xml.responseXML;
    var x = xmlDoc.getElementsByTagName("title")[0];
    var y = x.childNodes[0];
    document.getElementById("demo").innerHTML =
    y.nodeValue;
}

The output of the code above will be:

Everyday Italian
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Definition and Usage

The getElementsByTagName() method returns a NodeList of all elements with the specified name.

Syntax

getElementsByTagName(name)

Parameter Description
name A string that specifies the tagname to search for. The value "*" matches all tags

Document Object Reference Document Object