Javascript returning question

Question

So im trying to build a tic tac toe game in javascript. Ive made a function that returns true if any of the winning combinations textContent is the same as the string "X" or "O". Now im pretty sure the function works fine. But at the bottom im trying to test the function. I want it to log "it works" to the console if any of the winning combinations are filled. But when i fill a winning combination in the table, nothing happens. Can someone explain why?

function checkWin(letter) {
    if (table[0] === letter && table[1] === letter && table[2] === letter) {
        return true
    } else if (table[3].textContent === letter && table[4].textContent === letter && table[5].textContent === letter) {
        return true
    } else if (table[6].textContent === letter && table[7].textContent === letter && table[8].textContent === letter) {
        return true
    } else if (table[0].textContent === letter && table[3].textContent === letter && table[6].textContent === letter) {
        return true
    } else if (table[1].textContent === letter && table[4].textContent === letter && table[7].textContent === letter) {
        return true
    } else if (table[2].textContent === letter && table[5].textContent === letter && table[8].textContent === letter) {
        return true
    } else if (table[0].textContent === letter && table[4].textContent === letter && table[8].textContent === letter) {
        return true
    } else if (table[6].textContent === letter && table[4].textContent === letter && table[2].textContent === letter) {
        return true
    }
}
const table = document.querySelectorAll(".table");
// Im pretty sure this is where im going wrong:
if (checkWin("X") === true) {
    console.log("it works!")
}

Answer 1 · 2018-03-05T19:05:54Z

March 5, 2018 7:05pm

It works for me, but I had to guess at the HTML. I created a table with 3 rows, each row had 3 td's, and each td had the classname of "table". Is your table like that?

If that's what you had already, or if this doesn't lead you to the issue, try posting your HTML also to allow a complete analysis.

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behar

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Javascript returning question

1 Answer

Steven Parker

Steven Parker