JS(JQuery)操作Array的相关方法介绍

  1:split 函数将字符串按某个字符分割,将分割后的结果存入字符串数组中

  

复制代码 代码如下:

  function SplitUsersInformation(users) {

  var usersArray = users.split(';');

  return usersArray;

  }

  2:substr 函数切割目标字符串

  

复制代码 代码如下:

  currentStr = currentStr .substr(0, currentStr.length - 2);

  3:push 方法向Array中添加一条记录

  

复制代码 代码如下:

  var totalUsers = new Array();

  function PushItem(name, departmemt) {

  var currentUser = new Object();

  currentUser.UserName = name;

  currentUser.Department = departmemt;

  totalUsers.push(currentUser);

  }

  4:pop 方法从Array的栈中弹出最上面的那条记录

  

复制代码 代码如下:

  var totalUsers = new Array();

  var user1 = new Object();

  user1.UserName = "haha";

  user1.Department = "hahahaha";

  var user2 = new Object();

  user2.UserName = "lolo";

  user2.Department = "lolololo";

  totalUsers.push(user1);

  totalUsers.push(user2);

  totalUsers.pop();

  //totalUsers中会剩下user1,因为user2在栈的最上方,被弹出

  5:splice 方法从Array中删除指定的某条或者多条记录

  

复制代码 代码如下:

  var totalUsers = new Array();

  totalUsers.push(...);

  function SpliceItem(name) {

  for (var i = 0; i < totalUsers.length; i++) {

  if (totalUsers[i].UserName == name) {

  totalUsers.splice(i, 1)

  }

  }

  }