E4X How To

E4X Example

As an example, we can parse and edit an XML document that represents a note.

The XML document looks like this:

<note>
<date>2002-08-01</date>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>

If we had this XML document stored in a string called note, we could load it into an XML object variable called x, by writing the following JavaScript statement:

var x = new XML(note)

Or we could assign the XML text directly to the XML object variable:

var x = new XML()

x=
<note>
<date>2002-08-01</date>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>

XML As a JavaScript Object

With E4X, you can declare an XML object the same way as you declare Date or Math objects:

Since you can declare an XML document as an XML object, it is also very easy to parse and manipulate the XML document.

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