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Full Discussion: Javascript to check field is empty then execute rest of script
Top Forums Web Development Javascript to check field is empty then execute rest of script Post 302931221 by fredharry on Monday 12th of January 2015 02:42:31 AM
Old 01-12-2015
You can try this code

Code:
if(document.getElementById("question").value.length == 0)
{
    alert("empty")
}


and see if this works for you.
Last edited by Scrutinizer; 06-14-2015 at 06:12 PM.. Reason: CODE tags
 

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LEARN ABOUT REDHAT

qsqlrecordinfo

QSqlRecordInfo(3qt)													       QSqlRecordInfo(3qt)

NAME

       QSqlRecordInfo - Encapsulates a set of database field meta data

SYNOPSIS

       #include <qsqlrecord.h>

   Public Members
       QSqlRecordInfo ()
       QSqlRecordInfo ( const QSqlFieldInfoList & other )
       QSqlRecordInfo ( const QSqlRecord & other )
       size_type contains ( const QString & fieldName ) const
       QSqlFieldInfo find ( const QString & fieldName ) const
       QSqlRecord toRecord () const

DESCRIPTION

       The QSqlRecordInfo class encapsulates a set of database field meta data.

       This class is a QValueList that holds a set of database field meta data. Use contains() to see if a given field name exists in the record,
       and use find() to get a QSqlFieldInfo record for a named field.

       See also QValueList, QSqlFieldInfo, and Database Classes.

MEMBER FUNCTION DOCUMENTATION

QSqlRecordInfo::QSqlRecordInfo ()
       Constructs an empty record info object

QSqlRecordInfo::QSqlRecordInfo ( const QSqlFieldInfoList & other )
       Constructs a copy of other.

QSqlRecordInfo::QSqlRecordInfo ( const QSqlRecord & other )
       Constructs a QSqlRecordInfo object based on the fields in the QSqlRecord other.

size_type QSqlRecordInfo::contains ( const QString & fieldName ) const
       Returns the number of times a field called fieldName occurs in the record. Returns 0 if no field by that name could be found.

QSqlFieldInfo QSqlRecordInfo::find ( const QString & fieldName ) const
       Returns a QSqlFieldInfo object for the first field in the record which has the field name fieldName. If no matching field is found then an
       empty QSqlFieldInfo object is returned.

QSqlRecord QSqlRecordInfo::toRecord () const
       Returns an empty QSqlRecord based on the field information in this QSqlRecordInfo.

SEE ALSO

       http://doc.trolltech.com/qsqlrecordinfo.html http://www.trolltech.com/faq/tech.html

COPYRIGHT

       Copyright 1992-2001 Trolltech AS, http://www.trolltech.com.  See the license file included in the distribution for a complete license
       statement.

AUTHOR

       Generated automatically from the source code.

BUGS

       If you find a bug in Qt, please report it as described in http://doc.trolltech.com/bughowto.html.  Good bug reports help us to help you.
       Thank you.

       The definitive Qt documentation is provided in HTML format; it is located at $QTDIR/doc/html and can be read using Qt Assistant or with a
       web browser. This man page is provided as a convenience for those users who prefer man pages, although this format is not officially
       supported by Trolltech.

       If you find errors in this manual page, please report them to qt-bugs@trolltech.com.  Please include the name of the manual page
       (qsqlrecordinfo.3qt) and the Qt version (3.1.1).

Trolltech AS							  9 December 2002					       QSqlRecordInfo(3qt)
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