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About the test:

The D3.js online test uses scenario-based multiple-choice questions to evaluate a candidate's knowledge and skills related to D3.js fundamentals, data binding and manipulation, scales and axes, SVG and Canvas graphics, event handling, transitions and animations, and integrating D3.js with other web technologies. Candidates are also evaluated on their ability to write efficient and reusable code, design and implement complex visualizations, and troubleshoot and debug common issues.

Covered skills:

  • JavaScript库
  • CSS3选择器
  • SVG
  • DOM元素
See all covered skills

9 reasons why
9 reasons why

Adaface D3.JS Online Test is the most accurate way to shortlist D3.js Developers



Reason #1

Tests for on-the-job skills

D3.JS测试可帮助招聘人员和招聘经理从简历中确定合格的候选人,并有助于做出客观的招聘决策。它减少了采访太多候选人的管理开销,并通过过滤不合格的候选人节省了时间。

Adaface D3.js在线测试屏幕筛选典型技能招聘人员的候选人寻找D3.js开发人员角色:

-D3.JS开发经验

  • 对D3.js库和相关JavaScript技术的透彻理解
  • 对JSON和XML的深入了解
  • 经过验证的数据分析和可视化能力
  • Web Markup的知识,包括HTML和CSS
  • 自动测试和诸如GIT之类的版本控制系统的知识
  • 完成严格的截止日期并遵循最佳项目管理技术的能力
  • 对JavaScript技术的理解,例如Gulp,WebPack,Yarn
  • 广泛关注客户需求和项目细节
  • 先前在API和第三方图书馆的经验
  • 了解面向对象的编程

招聘人员和招聘经理可以使用此评估产生的见解,以确定D3.JS开发人员角色的最佳候选人。反交换功能使您能够在线进行评估。 D3.JS在线测试是帮助招聘人员确定哪些候选人具有在工作中表现出色的理想选择。

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.

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.

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 D3.JS Test 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
🧐 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
🧐 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
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, 人头, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment D3.JS Test 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.

Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the D3.JS Test 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


关于D3.js开发人员角色

D3是一个可视化数据的JavaScript库和框架。 D3通过将数据连接到文档对象模型来可视化数据和图形组件。 D3 Associates(绑定)数据(您想看到的)与DOM。这使用户可以修改,更新或添加到DOM中。

D3。 JS工程师在前端网络编程和数据科学方面熟练。它们可以帮助您创建交互式条形图,散点图和其他统计视觉效果。他们还可以使用数据绑定将数据连接到页面组件以构建数据驱动的应用程序。

####典型的D3.js开发人员责任包括:

  • 构建交互式和动态数据可视化,散点图和其他统计视觉效果
  • 通过将数据绑定到页面组件来组装数据驱动的应用程序
  • 将复杂的数据转换为可以在Web浏览器中看到的动态图形
  • 管理文档对象模型并使用现有技术
  • 处理复杂的数据管理职责
  • 跨功能生成高质量的解决方案

What roles can I use the D3.JS Test for?

  • D3.js Developer
  • D3.js Expert
  • JavaScript Developer

What topics are covered in the D3.JS Online Test?

JavaScript库

可扩展的向量图形

SVG
CSS3选择器
DOM元素
滑块
领域
路径数据生成器
虚拟输入选择
轴组件
组元素
过渡
解析行
数据绑定
堆叠图
缩放模式
数据驱动的文档
DOM操纵
声明性编程方法
内置元素检查员
Voronoi图
数据驱动的事件
简单轴
高图
向后兼容
Singapore government logo

招聘经理认为,通过小组访谈中他们提出的技术问题,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

常见问题解答

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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Join 1200+ companies in 75+ countries.
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