What is the difference between == to ===?
Frontend Engineer Interview Questions
13,295 frontend engineer interview questions shared by candidates
What are the principles of programming and how the code review should be conducted. name the order of output to the console. the task of determining the value of this.
what is lazy loading?
Here's code, tell what console.logs will be and in which order const p = Promise.reject() p .then(() => console.log(1)) .catch(() => console.log(2)) .then(() => console.log(3)) p .then(() => console.log(4)) .catch(() => console.log(5)) .then(() => console.log(6))
Some questions about RoR and Online Waite-board questions.
Write a list with clickable elements, using dom methods and a later version using React. Here is my DOM method that the online test tool wouldn't let me submit.
tell me about yourself and previous experince
Write a function that returns the k most occurring integers from an array
The Assignment they gave me: Create a dashboard with the following features Create filter/aggregation configuration over the sample data to create different datasets Create widgets/charts with the configured datasets Poll data from the sample data at 100 rows every 10 seconds The configuration for these datasets and charts should be editable by the user. Base dashboard widgets : The hourly average temperature of the area Temperature average per device_display_name Pseudo live stream of temperature with the filter of device_display_name ( use the data polling feature here ) Tech specification: Develop this application using ReactJS. Charting libraries can be echarts,bizcharts, plotly,etc. You can use lodash, lambdaJS, antd/dataset to wrangle/filter/aggregate data. Bonus- Host your application on Heroku or any other hosting platform Time limit: 2 days
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