length Function

Returns the number of elements in the list. You can also use this function to return the length of a string.

first argument– list or string

Example 1

The following expression returns 2.

<length>
   <list>
      <s>apples</s>
      <s>oranges</s>
   </list>
</length>

Example 2

<length>
   <s>Hello world!</s>
</length>

This expression returns a value of 11.