a way to Limit textarea max length.

a way to Limit textarea max length.

function keyup_info_description( inLengthMaximum ) {
    if ( inLengthMaximum < document.getElementById('info_description').value.length )
        document.getElementById('info_description').value =  document.getElementById('info_description').value.slice( 0, inLengthMaximum );
}