how to make 10PRINT in javascript

Question

I'm trying to make 10PRINT in javascript but I'm getting an out-of-memory error. it's supposed to output something like this: ///////\///\///\////////\\/\\///\\///
here is the code:

let st = []
let i = 0
let i2 = 0
while(i < 10)
{
    while(i2 < 10)
    {
        if(Math.random() > 0.5)
        {
            st.push("/")
        }else
        {
            st.push("  ⃥")
        }
    }
    i2 = 0
    console.log(st)
    st = {}
}

can somebody tell me why it's not working?

When do you expect i2 < 10 or i < 10 to be false? What is the purpose of i2 = 0 inside the loop or of st = {}? Read the documentation: while, Array, What’s the difference between “{}” and “[]” while declaring a JavaScript array?. The entire code can be replaced by console.log(Array.from({ length: 10 }, () => (Math.random() < 0.5 ? "/" : "\\")).join(""));. Why do you have nested loops? — Sebastian Simon
– Sebastian Simon, Commented Mar 22, 2022 at 10:57

GigiSan · Accepted Answer · 2022-03-22 10:57:04Z

0

As Sebastian Simon stated, i and i2 are never modified in the loops, so they will never reach 10, thus making the program run till the end of time (or end of memory, in your case).

I suggest replacing the whiles with for loops, assuming i and i2 need to be incremented sequentially.

answered Mar 22, 2022 at 10:57

GigiSan

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