列表

 

List

function List(){
     this.dataStore = 0;
    this.insert = insert;
    this.find = find;
    this.append = append;
    this.remove = remove;

//插入
function insert(element, after) {
    var insertPos = this.find(after);
    if (insertPos > -1) {
        this.dataStore.splice(insertPos + 1, 0, element);
        ++this.listSize;
        return true;
    }
    return false;
}

//查找
function find(element) {
    for (var i = 0; i < this.dataStore.length; ++i) {
        if (this.dataStore[i] == element) {
            return i;
        }
    }
    return -1;
}

//数据末尾插入
function append(element) {
    this.dataStore[this.listSize++] = element;
}

//删除
function remove(element) {
    var foundAt = this.find(element);
    if (foundAt > -1) {
        this.dataStore.splice(foundAt, 1);
        --this.listSize;
        return true;
    }
    return false;
  }
}

　　

from:https://blog.csdn.net/haoshidai/article/details/52263191