Evaluating XPath Expresssions
XPath |
Result of XPath Evaluation |
some $i in /planets/planet satisfies $i/radius > 2000 |
true
|
/planets/planet/radius > 2000 |
true
|
The XML Document
<planets>
<planet>
<name>Mercury</name>
<mass units="(Earth = 1)">.0553</mass>
<day units="days">58.65</day>
<radius units="miles">1516</radius>
<density units="(Earth = 1)">.983</density>
<distance units="millions miles">43.4</distance>
</planet>
<planet>
<name>Venus</name>
<mass units="(Earth = 1)">.815</mass>
<day units="days">116.75</day>
<radius units="miles">3716</radius>
<density units="(Earth = 1)">.943</density>
<distance units="millions miles">66.8</distance>
</planet>
<planet>
<name>Earth</name>
<name>Mother Earth</name>
<mass units="(Earth = 1)">1</mass>
<day units="days">1</day>
<radius units="miles">2107</radius>
<density units="(Earth = 1)">1</density>
<distance units="millions miles">128.4</distance>
</planet>
</planets>