JavaScript How can I get child elements by element name with JavaScript? child element elements,get elements child element jquery,get child

I have an XML file with many nodes that look just like this:

<map-item>
            <location-name>U Lot (Pine Sreet)</location-name>
            <link>https://maps.google.com?daddr=Pine+Avenue+Middletown+CT+06457</link>
            <latitude>41.5501724</latitude>
            <longitude>-72.6588056</longitude>
            <icon-path>img/parking-icon.svg</icon-path>
 </map-item>

I've successfully looped through all the of the map-item elements in the XML file like this:

 markers = xml.documentElement.getElementsByTagName("map-item");
        for (var i = 0; i < markers.length; i++) {
              //do something here for each marker
        }

But I'm having a hard time figuring out how to drill down and get at the child elements inside of each map-item element, such as location-name or icon-path. What do I need to do in order to grab the values of those child elements and do something with them?

Answer:1

You can use getElementsByTagName again, on each marker. If the xml is valid and conforms to some schema, you can expect that there is at least one element of the given name in your <marker>.

var markers = xml.documentElement.getElementsByTagName("map-item");
for (var i = 0; i < markers.length; i++) {
    var marker = markers[i];
    var locationName = marker.getElementsByTagName("location-name")[0].textContent;
    var iconPath = marker.getElementsByTagName("icon-path")[0].textContent;
    …
}

If you don't know how many child elements will be there in each <marker>, you'll have to switch on the .length of the selected list or loop again.

Answer:2

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