xHarbour Reference Documentation > Function Reference

THtmlIsValid()

Validates a HTML tag name and attribute.

Syntax

THtmlIsValid( <cTagName>, [<cAttrName>] ) --> lIsValid

Arguments

<cTagName>

This is a character string holding the tag name of an HTML tag.

<cAttrName>

This is an optional character string holding the attribute name of an HTML tag

Return

The function returns .T. (true) when <cTagName> is a valid HTML tag name. When <cAttrName> is passed, the function checks if the HTML tag has this attribute and returns .T. (true) if the attribute is valid. The return value is .F. (false), when <cTagName> or <cAttrName> are invalid.

Info

See also:	THtmlCleanup(), THtmlDocument(), THtmlInit(), THtmlNode()
Category:	HTML functions , xHarbour extensions
Source:	tip\thtml.prg
LIB:	xhb.lib
DLL:	xhbdll.dll

Example

// The example displays results of THtmlIsValid()

   PROCEDURE Main
      THtmlInit()

      ? THtmlIsValid( "html" )             // result: .T.

      ? THtmlIsValid( "xml" )              // result: .F.

      ? THtmlIsValid( "meta", "content" )  // result: .T.

      ? THtmlIsValid( "table", "content" ) // result: .F.

      ? THtmlIsValid( "table", "border" )  // result: .T.

      THtmlCleanup()
   RETURN