nl_tokens: * @method repeat ( [ num ] = 0 ) @returns String @short Returns the string repeated [ num ] times . @example
pl_tokens: function ( num ) { var result = '' , str = this ; if ( ! isNumber ( num ) || num < 1 ) return '' ; while ( num ) { if ( num & 1 ) { <mask> += str ; } if ( num >>= 1 ) { str += str ; } } return result ; }