var modify = {}; modify.showModifyPassword = function() { let modifyType = document.querySelector('.tablinks.active').textContent; let info = { modifyPasswordLis: document.getElementsByClassName('modifyPassword'), modifymobileNoLis: document.getElementsByClassName('modifymobileNo'), modifyUsernameLis: document.getElementsByClassName('modifyUsername'), } for (let key in info) { let elements = info[key]; for (let item of elements) { item.style.display = 'none'; } } if (modifyType === "修改密码") { for (let item of info.modifyPasswordLis) { item.style.display = 'block'; } } else if (modifyType === "修改手机号") { for (let item of info.modifymobileNoLis) { item.style.display = 'block'; } } else if (modifyType === "修改用户名") { for (let item of info.modifyUsernameLis) { item.style.display = 'block'; } } }