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在我的代码片段中，我使用 while 循环迭代 LinkedList 节点，我在 console.logging 每个节点值。我的 while 循环存在并且我的最后一个值必须是 while 循环之后的下一行 console.logged，无论如何要为我的 LinkedList 创建一个更优雅的迭代器？
function LinkedList() {
this.head = null;
};
LinkedList.prototype = (function () {
function reverseAll(current, prev) {
if (!current.next) { //we have the head
this.head = current;
this.head.next = prev;
}
var next = current.next;
current.next = prev;
reverseAll(next, current);
};
return {
constructor: LinkedList,
reverse: function () {
reverseAll(this.head, null);
},
head: function() {
return this.head;
}
}
})();
LinkedList.prototype.add = function(value) {
var node = {
value: value,
next: null
};
var current;
if (this.head === null) {
this.head = node;
} else {
current = this.head;
while (current.next) {
current = current.next;
}
current.next = node;
}
return node;
}
LinkedList.prototype.remove = function(node) {
var current, value = node.value;
if (this.head !== null) {
if (this.head === node) {
this.head = this.head.next;
node.next = null;
return value;
}
//find node if node not head
current = this.head;
while (current.next) {
if (current.next === node) {
current.next = node.next;
return value;
}
current = current.next;
}
}
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script>
$(function() {
var obj = new LinkedList();
for (var i = 1; i <= 10; i++) {
obj.add(i);
}
var current = JSON.parse(JSON.stringify(obj.head));
while (current.next) {
console.log(current.value);
current = current.next;
}
//not so hot iteration, printing last value that would be great if printed in the while loop
console.log(current.value);
});
</script>