Returns the total number of characters included in the <b>String</b> as an integer number.
<br /><br />
People are often confused by the use of <b>length()</b> to get the size of a String and <b>length</b> to get the size of an array. Notice the absence of the parentheses when working with arrays.
]]></description>
<syntax>
<c>str</c>.length()
</syntax>
<parameter>
<label>str</label>
<description><![CDATA[String: any variable of type String]]></description>