var modify = {} modify.showModifyPassword = function() { let modifyType = document.getElementById('modifyType').value let info = { modifyPasswordLis: document.getElementsByClassName('modifyPassword'), modifymobileNoLis: document.getElementsByClassName('modifymobileNo'), } // 遍历隐藏所有元素 for (let key in info) { let elements = info[key]; for (let item of elements) { item.style.display = 'none'; // 确保所有相关元素被隐藏 } } // 根据 modifyType 显示相关元素 if (modifyType === "2") { for (let item of info.modifyPasswordLis) { item.style.display = 'block'; } } else if (modifyType === "3") { for (let item of info.modifymobileNoLis) { item.style.display = 'block'; } } }