How to assign two values for each element in an array discord.js

Question

This is in discord.js. So I have three items each with a unique price (more items in the future).. Sending the name of the item for example "Item 1" should reply the price. How do I use the price variable in my code? I was thinking associative array but I think there's no associate array in JS.

Item 1 = 100
Item 2 = 300
Item 3 = 500

I have this code:

const items = ["Item 1", "Item 2", "Item 3"];
const price = [100, 300, 500];

for (var i=0; i < items.length; i++) {
if (message.content === items[i]) {
message.reply(PostPrice);
}
}

oh i see. thanks. i thought i should use something like associative array, so doing it this way works. — user874737
– user874737, Commented Nov 11, 2022 at 20:26

Josiah · Accepted Answer · 2022-11-11 22:17:24Z

3

I would use a Map, a built-in object in javascript

const items = new Map()
//create map
items.set("item 1",100)
items.set("item 2",300)
items.set("item 3",500)

//check if item exists
if(items.has(message.content.toLowerCase())){
  message.reply("price: "+items.get(message.content.toLowerCase()))
}else{
  message.reply("this item doesnt exist");
}

edited Nov 11, 2022 at 22:17

answered Nov 11, 2022 at 21:47

Josiah

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1 Comment

MI HAEL Over a year ago

You could make this more user friendly by using message.content.toLowerCase() instead of message.content and make the items also lower case because some people don't use capitalization in discord

Parsa · Accepted Answer · 2022-12-30 08:57:50Z

1

I would use json instead of arrays in this case

const items = {"item 1": { price: 100 }, "item 2": { price: 300 }, "item 3": { price: 500 }}

if(items[message.content.toLowerCase()) {
message.reply("price: "+items[message.content.toLowerCase()]["price"])
} else {
message.reply("item doesnt exist")
}

edited Dec 30, 2022 at 8:57

answered Nov 11, 2022 at 22:15

Parsa

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