What Should one understand when he says he is "proficient in JavaScript, CSS3, HTML5? -

0. Reply: During the interview, you can ask questions about the specifications.

I understand it that way, and then many people kneel down. I think that since I am proficient in writing, I should understand all the specifications.


Example
C #
Q: Is C # A strong language? Does it support generics?

Familiar with C #
Q: Is string of C # A reference type or a value type? What are the differences between the value type and the reference type?

Proficient in C #
Q: What is fixed? What pointers do not require fixed? How to uninstall the loaded assembly? A general company cannot afford to be proficient. If you are proficient in the three products, you will choose to turn the physical body over the wall, and tianchao will not. I have been learning the front-end and want to find a front-end position in the future.
Therefore, we are more interested in front-end recruitment information.
Every time I see the words CSS, Javascript, jQuery, and PHP...
I can't help falling into the big wave of Chen si .....







Are you sure you want to write recruitment information?
Proficient in this word can be said casually?
People who are proficient in these technologies will be able to see the salary of thousands of yuan. When I ask some new people if they have used javascript, they will basically say they have used it. I usually ask: I used document. getElementById. Then you will usually get a positive answer. They often don't even know the basic syntax of js when using AngularJS.

It's a bit difficult. Actually, it should be similar. There is always a gap between your own cognition and others' cognition. Maybe you cannot do something at your own discretion, however, when a problem occurs, it is out of the scope of knowledge.
Of course, sometimes, to write more on your resume, you will know that you do not understand it, or you will be proficient (not proficient, why do you recruit you ?).

However, maybe he is really proficient and omnipotent.

Actually, I cannot use js. If you are not a freshman, never write it. It is also better not to write for fresh graduates... Experts generally show their low-profile resumes to be proficient in HR, so they should not be proficient in technical interviews.
Never speak Mandarin, let alone programming languages. From a layman's perspective, experts generally do not speak XX language, but rather say they are or have already done xx projects and want to share their ideas with you.
(Because language is just a tool, there are many ways to learn a language without it, but it is more time-consuming to think about the creativity and ideas of the Project) the more you learn everything, the more you feel that you are ignorant. Therefore, people who are actually learning will not feel that you are proficient, but know more about it than others. Let's hear a joke ......