nl_tokens: / * 获取互不为子的元素集合
pl_tokens: function getSiblingElements ( node , select ) { if ( isWindow ( node ) ) node = document . documentElement ; var targets = [ ] var temp = [ ] if ( ! select ) return if ( typeof select == 'string' ) { temp = select . split ( ' ' ) } if ( isArray ( select ) ) { temp = select } temp . forEach ( function ( item ) { var char0 = item . charAt ( 0 ) if ( char0 == '#' ) { targets = targets . concat ( document . getElementById ( item . substring ( 1 ) ) ) } else if ( char0 == '.' ) { targets = targets . concat ( toArray ( getElementsByClassName ( node , item . substring ( 1 ) ) ) ) } else { targets = targets . concat ( toArray ( node . getElementsByTagName ( <mask> ) ) ) } } ) if ( targets . length ) return targets }