Why you need to learn HTML, CSS, JS if you have constructors?

Dear friends, I recently wondered why you need to learn HTML, CSS, JS if you have constructors?
I'm learning HTML, CSS, JS, and asked the question. Can you please say what is still lack of designers, they are unable to replace web designers.

And can still see my fan site (it not completed yet in terms of content but all the attention was on the toy) and to Express their opinion.
Here is the link to it: https://yadi.sk/d/oOG3ykz-rtwnuA

I will be glad to hear criticism!
April 19th 20 at 12:10

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More answers about "Why you need to learn HTML, CSS, JS if you have constructors?"
3 answers
April 19th 20 at 12:12
Solution
@alexandra65, "Just at a lesson of physics the teacher said why learn HTML, CSS, JS, if there are designers."
How would he know what to teach, even if it is not a science teacher... in a nutshell, the designer, is the designer in the truest sense of the word, it has some details of which you can do something, but not everything, and you can do that, but in another way. In addition, the designers write the same "Physics", who said that these physicists do understand what you are doing, there are dozens of popular technologies and methodologies, the designer decides for you what to use, the list is endless. About the backend, I generally keep quiet this is a cart pulled by a sheep and it will not work, but the final price just a space. Any more or less successful start-up business goes down with the designer at the first opportunity, once we understand what the ass he was.
Thanks for the reply, Yes, he is a physics teacher, but as I understand the programming he studied, just telling about the designer, I asked myself "why not?" so I decided to ask it here. - alexandra65 commented on April 19th 20 at 12:15
The constructor for the template task. The business logic on constructors is difficult to implement. Learn faworki, OOP, SQL.
html, css, js is the Foundation, the basic things required. - abdul_Hansen0 commented on April 19th 20 at 12:18
April 19th 20 at 12:14
Solution
In the constructors of type tilda wordpress no (or cut) hard backend functionality (for example: personal account, working with databases, etc.).
And Yes, the designers you overpay a lot.
Thanks for the reply!

That is how I understood the cons of designers in their restrictions on any features?

And if you can, you can say what is "hard backend functionality"? - alexandra65 commented on April 19th 20 at 12:17
@alexandra65, a browser game will make on the designer?) This is hard (complicated) backend - kathryne82 commented on April 19th 20 at 12:20
@kathryne82, Thanks for the reply. I am very glad that there were kind and helpful people, good luck) - alexandra65 commented on April 19th 20 at 12:23
April 19th 20 at 12:16
Then you have to wonder how you will continue to grow, and will. Html and Css you learn, but the js and General programming are you going to study "life" , if you will. If you do not take into consideration the final price of the website designer and the constraints that tilde, for example, and true enough for most entrepreneurs. Today you can get a coder with good knowledge of html, css, and basic well for js, but it should be, not only as the first step in frontend development, where no designers may not be considered. If such plans are not available, it is in principle really pointless, better to learn some physics)

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