2019 ended immediately, recalling this year, their business and personal projects has improved capabilities are of long ago interviewed several companies, understand that the Internet is now the first-line team of technical style, the focus of the project, future trends, according to the impression he made some records, not all, details do not write the answer too, I believe that through the network, you can find the answer you want.
US corporations face questions
- Selectors, DOM way to get what? Key querySelectorAll ()
- css selector of all methods can not have missed, accidentally fall into a pit on
- Array formater, tree
- Array traversal options? reduce summation write about
- Deep copy, shallow copy
Fun headlines face questions
- const variables can not be defined directly assign it?
- Talk about your understanding of the promise, and what are the advantages and disadvantages, solve the problem?
- Internal loop for direct return it?
- What are the components between vue way to communicate?
- vue responsive principle to talk about
- Vue development under the framework of what the scene needs to directly manipulate DOM?
- js array in what ways?
- js String in what ways?
- What difference inheritance function and object? // function prototype chain to find Function, ordinary objects are found Object
- nginx redirect time and asynchronously executing it?
- How to determine whether a list is closed?
- There are a bunch of coins, of which 50 are positive, over his eyes, the coin is divided into two parts, how to ensure that the two parts of the coin, the same positive number?
- Find a character in a string?
- Browser rendering process
- From zero to build a front-end engineering system, about what kind of work?
- Front-end architect duties
- What is your development plan
- Method distal performance optimization which
- Project business and highlights the difficulties encountered
- vue life cycle
- 100,000 points within the area of how to balance into a fixed size?
Ping lease
If you do not move to end and angular-based technology stack, is not recommended to go here, even if you did well the interview, or a high probability to be washed off, yes, it is said to skilled vue, react, pc, applet, students of mixing app
Alibaba face questions
The front cross-domain issues
- Homologous meaning?
- XSS
- Browser Security
- Common cross-domain access policy
- Promise static requests
- async await implementation principle
- JSONP principle
- http cache