nl_tokens: 搜索匹配
pl_tokens: function ( e ) { var value = this . value , keyCode = e . keyCode ; if ( keyCode === 9 || keyCode === 13 || keyCode === 37 || keyCode === 38 || keyCode === 39 || keyCode === 40 ) { return false ; } notOption ( value , function ( <mask> ) { if ( none ) { dl . find ( '.' + NONE ) [ 0 ] || dl . append ( '<p class="' + NONE + '">无匹配项</p>'); } else { dl . find ( '.' + NONE ) . remove ( ) ; } } , 'keyup' ) ; if ( value === '' ) { dl . find ( '.' + NONE ) . remove ( ) ; } followScroll ( ) ; //定位滚动条 }