Is there a way to put python code into a javascript onclick function?

Question

I am trying to put some python code into a javascript function so that I can call it on a button click. I was just wondering if there was a tag or some built-in way to code python inside a javascript function? I know that I may be able to do this by asking the function to open a file or something like that, but if there is a way to contain this entire solution inside one file that would be great.

This is the code I'm trying to put into the function:

user_input = input("input text here: ")
cipher_key = int(input("input cipher key here: "))
for x in user_input:
    if x == " ":
        print(x)
    else:
        ord_num = ord(x)
        alf_num = ord_num - 97 + cipher_key
        en_num = alf_num % 26 + 97
        print(chr(en_num))

onclick can only run client code, Python runs on the server. — Barmar
– Barmar, Commented Nov 30, 2020 at 22:28
There is likely a python-like library for javascript. Basically ported functionality. — GetSet
– GetSet, Commented Nov 30, 2020 at 22:30
What are you trying to do onclick? Most likely, if it's something you can do with Python, you can do it with Javascript as well. — M-Chen-3
– M-Chen-3, Commented Nov 30, 2020 at 22:37
No, I just meant you can't run Python (or PHP, or any other server-side language) directly in onclick. You can use AJAX to send a request to the server, and you can implement the server processing in any language you want. — Barmar
– Barmar, Commented Nov 30, 2020 at 22:52

radtelbi · Accepted Answer · 2020-12-01 14:24:25Z

It depends on your environment ; if you are writing a node js program you can do it as indicated here How to execute an external program from within Node.js? . If you’re writing a client side code (for a web browser) you can’t .

Edit

your code is relatively simple so you can convert your function into js. Assuming that you are writing a Nodejs code:

const readline = require("readline");
const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

rl.question("input text here: ", function(user_input) {
    rl.question("input cipher key here: ", function(cipher_key) {
        rl.close();
        cipher_key = parseInt(cipher_key)
        for (let i = 0; i < user_input.length(); i++) {
            const x = user_input[i];
            if (x === " ")
                process.stdout.write(x)
            else {
                const ord_num = x.charCodeAt(0)
                const alf_num = ord_num - 97 + cipher_key
                const en_num = alf_num % 26 + 97
                process.stdout.write(String.fromCharCode(en_num))

            }
        }
    });
});

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