链表
var l = {}; l.head= null; for(var i = 0; i < 10; i++){ listInsert(l, {key:i}); } console.log(l); console.log(listSearch(l, 2)); function listSearch(l, k){ var x = l.head; while(x&&x.key!=k){ x = x.next; } return x; } function listInsert(l, x){ x.next = l.head; if(l.head){ l.head.prev = x; } l.head = x; x.prev = null; } function listDelete(l, x){ if(x.prev){ x.prev.next = x.next; } else { l.head = x.next; } if(x.next){ x.next.prev = x.prev; } } // function listSearch0(l, k){ var x = l.nil.next; while(x!=l.nil &&x.key!=k){ x = x.next; } return x; } function listInsert0(l, x){ x.next = l.nil.next; l.nil.next.prev = x; l.nil.next = x; x.prev = l.nil; } function listDelete0(l, x){ x.prev.next = x.next; x.next.prev = x.prev; }
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