hashtable - Implement Hash table in Javascript

Question

I'm having trouble getting writing the getter method of my hash class based on what I have in the setter class.

The error I'm getting is: error: Uncaught TypeError: Cannot read property '1' of undefined

setItem = (key, value, value2) => {
    const idx = HashStringToInt(key, this.table.length);
    if (this.table[idx]) {
        this.table.push([key,[value, value2]]);
    } else {
        this.table[idx] = [[key, [value, value2]]]
    }        
}

getItem = key => {
    const idx = HashStringToInt(key, this.table.length);

    if (!this.table[idx]) {
        return null;
    }
    return this.table[idx].find(x => x[0] === key)[1]; //this doesn't work
}

question from:https://stackoverflow.com/questions/65897601/implement-hash-table-in-javascript

Answer 1

Changing:

this.table.push([key,[value, value2]]);

To:

this.table[idx].push([key,[value, value2]]);

Seems to give me the desired results