---
id: 587d8247367417b2b2512c36
title: Install and Require Helmet
challengeType: 2
videoUrl: ''
localeTitle: 安装并需要头盔
---
## Description
提醒一下,这个项目是基于Glitch的以下入门项目构建的,或者是从GitHub克隆的。 Helmet通过设置各种HTTP标头来帮助您保护Express应用程序。安装包,然后需要它。
## Instructions
## Tests
```yml
tests:
- text: “helmet”依赖应该在package.json中
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/package.json").then(data => { var packJson = JSON.parse(data); assert.property(packJson.dependencies, "helmet"); }, xhr => { throw new Error(xhr.responseText); })'
```
## Challenge Seed
## Solution
```js
// solution required
```