This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.
| Class | |
|---|---|
| Name | hasAttribute() |
| Examples |
// The following short XML file called "mammals.xml" is parsed
// in the code below. It must be in the project's "data" folder.
//
// <?xml version="1.0"?>
// <mammals>
// <animal id="0" species="Capra hircus">Goat</animal>
// <animal id="1" species="Panthera pardus">Leopard</animal>
// <animal id="2" species="Equus zebra">Zebra</animal>
// </mammals>
XML xml;
void setup() {
xml = loadXML("mammals.xml");
XML firstChild = xml.getChild("animal");
println(firstChild.hasAttribute("species"));
println(firstChild.hasAttribute("color"));
}
// Sketch prints:
// true
// false
|
| Description | Checks whether or not an element has the specified attribute. The attribute must be specified as a String, and a boolean is returned. |
| Syntax | .hasAttribute(name) |
| Returns | boolean |
