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About the test:

JavaScript测试使用基于方案的MCQ来评估JavaScript基本面(ES5,ES6)的候选者,能够使用AJAX,FECHEPI,PROSSISES和异步 /等待来操纵HTML DOM和异步编程。该测试包括编码问题,以评估动手JavaScript编程技能。

Covered skills:

  • JavaScript基础知识(数组;对象;字符串;功能)
  • 错误和异常处理
  • ES6(箭头功能;破坏性;扩散)
  • OOP(类;构造函数;原型继承)
  • 处理API
  • 结构和造型HTML DOM
  • 使用用户数据和JSON
  • 高阶功能和关闭
  • 异步JavaScript(事件循环;承诺;异步/等待)

9 reasons why
9 reasons why

Adaface JavaScript在线测试 is the most accurate way to shortlist JavaScript开发人员s



Reason #1

Tests for on-the-job skills

The JavaScript在线测试 helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • 精通JavaScript基础知识,包括数组,对象,字符串和功能
  • 了解结构和造型HTML DOM
  • 有效处理异常和错误的能力
  • 使用用户数据和JSON的经验
  • 熟悉ES6功能,例如箭头功能,破坏和扩展
  • 了解高阶功能和关闭
  • OOP概念的能力,包括课程,构造函数和原型继承
  • 使用事件循环,承诺和异步/等待
  • 处理API的技巧
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

这些只是我们库中有10,000多个问题的一个小样本。关于此的实际问题 JavaScript在线测试 将是不可行的.

🧐 Question

Medium

Async Await Promises
Promises
Async-Await
Solve
What will the following code output?
 image
A: 24 after 5 seconds and after another 5 seconds, another 24
B: 24 followed by another 24 immediately
C: 24 immediately and another 24 after 5 seconds
D: After 5 seconds, 24 and 24
E: Undefined
F: NaN
G: None of these

Medium

Bitcoin prices
Axios
Promises
Solve
Review the following JavaScript code and pick the correct options: 
 image
Assume that the API returns a successful 200 response code and a JSON object as the response body. What would the value of ‘a’ be after the code is executed?

Medium

My Module
Scope
Solve
What will the output of the following JavaScript code be?
 image
 image

Medium

Promise Resolve
Promises
Async-Await
Solve
What does the following code output? 
 image

Easy

Throw, Try, Async
Promises
Async-Await
Solve
What does the following JS code output?
 image

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Medium

Async Await Promises
Promises
Async-Await

2 mins

JavaScript
Solve

Medium

Bitcoin prices
Axios
Promises

2 mins

JavaScript
Solve

Medium

My Module
Scope

2 mins

JavaScript
Solve

Medium

Promise Resolve
Promises
Async-Await

2 mins

JavaScript
Solve

Easy

Throw, Try, Async
Promises
Async-Await

2 mins

JavaScript
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Async Await Promises
Promises
Async-Await
JavaScript
Medium2 mins
Solve
Bitcoin prices
Axios
Promises
JavaScript
Medium2 mins
Solve
My Module
Scope
JavaScript
Medium2 mins
Solve
Promise Resolve
Promises
Async-Await
JavaScript
Medium2 mins
Solve
Throw, Try, Async
Promises
Async-Await
JavaScript
Easy2 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

借助Adaface,我们能够优化我们的初始筛查过程超过75%,从而为招聘经理和我们的人才获取团队提供了宝贵的时间!


Brandon Lee, 人的负责人, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment JavaScript在线测试 in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the JavaScript在线测试 from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the JavaScript在线测试

Why you should use JavaScript在线测试?

The JavaScript在线测试 makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • 了解和应用JavaScript基础知识,包括数组,对象,字符串和功能
  • 使用JavaScript结构和样式HTML DOM元素
  • 处理JavaScript中的异常和错误
  • 在JavaScript中使用用户数据和JSON
  • 应用ES6功能,例如箭头功能,破坏和扩展
  • 利用JavaScript中的高阶功能和关闭
  • 在JavaScript中实施面向对象的编程概念,包括类,构造函数和原型继承
  • 理解和利用异步JavaScript概念,例如事件循环,承诺和异步/等待

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the JavaScript在线测试?

  • 结构和样式HTML DOM:

    此技能涉及组织和设计使用DOM(文档对象模型)的HTML元素的结构。它的衡量是为了评估候选人动态操纵和样式网页元素的能力。

  • 错误和异常处理:

    错误和异常处理是指识别和处理错误的能力JavaScript代码。该技能对于确保无错误应用程序的平稳执行和维护至关重要,因此在测试中评估。

  • 使用用户数据和JSON:

    评估A候选人可以与用户数据进行交互,而JSON(JavaScript对象表示法)对于评估其有效,有效地处理和处理用户输入的能力很重要。

  • ES6:

    此技能涵盖了高级JavaScript Ecmascript 6(ES6)中引入的概念,例如箭头函数,破坏和传播。它旨在评估候选人对现代JavaScript语法和功能的熟悉程度和熟练程度。

  • 高阶功能和闭合:

    高阶功能和闭合是JavaScript的基本概念,是JavaScript的基本概念启用功能编程和代码可重复使用。衡量此技能有助于评估候选人使用这些概念编写清洁和可维护的代码的能力。

  • oop:

    此技能评估了候选人对对象计划(OOP)的理解和实施(OOP) JavaScript中的原理。它包括有关类,构造函数和原型遗传的知识,它们在构建可扩展和模块化应用程序中起着至关重要的作用。

  • 异步JavaScript:

    评估候选人在处理中的候选人知识的知识JavaScript(包括事件循环)承诺和异步等待,对于确定其编写响应式和高效的代码的能力至关重要。 >该技能可以衡量候选人在JavaScript中消费和集成API(应用程序编程界面)的熟练程度。它包括有关提出API请求,处理响应和解析数据的知识,这对于构建与外部服务和数据库互动的Web应用程序至关重要。

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for JavaScript在线测试 to be based on.

    JavaScript语法
    数据类型
    变量
    数组
    对象
    字符串
    功能
    DOM操纵
    CSS样式
    错误处理
    尝试...捕获块
    投掷例外
    用户输入
    验证
    JSON解析
    JSON Stringification
    ES6语法
    箭头功能
    破坏性
    传播操作员
    高阶功能
    关闭
    课程
    构造函数
    原型继承
    事件循环
    承诺
    异步/等待
    提取API
    XHR请求
    响应处理
    处理JSON数据
    与API一起工作
    访问控制
    交叉原始资源共享
    验证
    授权
    科尔斯
    宁静的API
    阿贾克斯
    回调功能
    承诺
    异步代码中的错误处理
    超时和间隔
    XML解析
    Websocket
    本地存储
    会话存储
    浏览器饼干
    测试JavaScript代码
    调试
    性能优化
    模块系统
    Bundler工具
    覆盖
    代码质量
    可访问性
    响应式设计
    移动优化
    单页应用程序
    渐进的网络应用程序
    网络工人
    Websocket

What roles can I use the JavaScript在线测试 for?

  • JavaScript开发人员
  • 前端开发人员
  • 完整的堆栈开发人员
  • Web开发人员
  • UI/UX开发人员
  • Web应用程序开发人员
  • 移动应用开发人员
  • 游戏开发者
  • 软件开发人员

How is the JavaScript在线测试 customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • 在JavaScript中处理API
  • 应用JavaScript安全最佳实践以防止漏洞
  • 在JavaScript中使用不同的数据结构,例如集合和地图
  • 在JavaScript中实施数据验证和消毒技术
  • 理解和故障排除常见的JavaScript运行时错误
  • 使用JavaScript模块和模块加载程序
  • 使用JavaScript实施响应式网络设计
  • 执行JavaScript的浏览器兼容性测试

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Singapore government logo

招聘经理认为,通过在小组访谈中提出的技术问题,他们能够分辨哪些候选人的得分更好,并且与未得分的人有区别。他们是 非常满意 随着候选人的质量入围了Adaface筛查。


85%
减少筛查时间

JavaScript在线测试 常见问题解答

我可以评估框架技能以及JavaScript吗?

是的。我们提供现成的测试,您可以在单个评估中评估多个相关的JavaScript技能。 For example, our JavaScript + React + HTML/ CSS test can be used to evaluate all the JS, ReactJS, HTML,单个评估中的CSS和编码技能。

我们还提供自定义评估,根据您的职位描述自定义评估。

我可以使用此测试评估后端JavaScript开发人员吗?

是的。该测试用于评估核心JavaScript技能。这些问题旨在评估独立的JS技能,而无需依赖HTML/ CSS。假设您的角色要求候选人了解Nodejs之类的后端JS框架。在这种情况下,您可以考虑使用我们的[JS后端开发人员评估](https://www.adaface.com/assessment-test/javascript-node-test),其中JS和NODEJS和编码技能在单个中进行评估测试。

我可以将此测试用于React Native开发人员吗?

是的。评估的重点是JS技能。您还可以检查ADAFAFE [REECT NATICE评估](https://www.adaface.com/assessment-test/reaeact-native-online-test),该评估在单个测试中评估React React,JS和编码技能。您还可以请求根据您的职位描述设计的自定义反应本机测试。

我可以将多个技能结合在一起,为一个自定义评估吗?

是的,一点没错。自定义评估是根据您的职位描述进行的,并将包括有关您指定的所有必备技能的问题。

您是否有任何反交换或策略功能?

我们具有以下反交易功能:

  • 不可解决的问题
  • IP策略
  • Web Protoring
  • 网络摄像头Proctoring
  • 窃检测
  • 安全浏览器

阅读有关[Proctoring功能](https://www.adaface.com/proctoring)的更多信息。

如何解释考试成绩?

要记住的主要问题是评估是消除工具,而不是选择工具。优化了技能评估,以帮助您消除在技术上没有资格担任该角色的候选人,它没有进行优化以帮助您找到该角色的最佳候选人。因此,使用评估的理想方法是确定阈值分数(通常为55%,我们为您提供基准测试),并邀请所有在下一轮面试中得分高于门槛的候选人。

我可以使用该测试的经验水平?

每个ADAFACE评估都是为您的职位描述/理想候选角色定制的(我们的主题专家将从我们的10000多个问题的图书馆中选择正确的问题)。可以为任何经验级别定制此评估。

每个候选人都会得到同样的问题吗?

是的,这使您比较候选人变得容易得多。 MCQ问题的选项和问题顺序是随机的。我们有[抗欺骗/策略](https://www.adaface.com/proctoring)功能。在我们的企业计划中,我们还可以选择使用类似难度级别的问题创建多个版本的相同评估。

我是候选人。我可以尝试练习测试吗?

不,不幸的是,我们目前不支持实践测试。但是,您可以使用我们的[示例问题](https://www.adaface.com/questions)进行练习。

使用此测试的成本是多少?

您可以查看我们的[定价计划](https://www.adaface.com/pricing/)。

我可以免费试用吗?

我刚刚搬到了一个付费计划。我如何要求自定义评估?

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Ready to use the Adaface JavaScript在线测试?
Ready to use the Adaface JavaScript在线测试?
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40 min tests.
No trick questions.
Accurate shortlisting.
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