function trim( string ) { if( string ) { return string.replace(/(^\s+)|(\s+$)/g, "null_subject"); } } var temp = trim( data ); if ( temp == "null_subject" ) { alert( "Error" ); }
function trim( string ) { if( string ) { return string.replace(/(^\s+)|(\s+$)/g, "null_subject"); } } var temp = trim( data ); if ( temp == "null_subject" ) { alert( "Error" ); }