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4/8/2010

Returns the sum of all nodes in the node set. Each node is first converted to a number value before summing.

Syntax 

		
number sum(
node-set)

Parameters

node-set

A node-set.

Return Value

Returns the sum of all nodes in the node set. Each node is first converted to a number value before summing.

Remarks

Given the following XML document:

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<root>
  <a>1</a>
  <a>3</a>
  <a>2</a>
</root>

The following function call returns 6.

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sum(//a)

See Also