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You can do a lot with Val Town

Cron jobs

Schedule any function in one click. Use the full power of cron syntax or a simple interval to run vals every hour, at a particular time of day, or whatever you can dream up.
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stevekrouse/trackIphoneTradein

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import cheerio from "npm:cheerio@1.0.0-rc.12";
export const trackIphoneTradein = (async () => {
const page = await fetch(
"https://www.apple.com/shop/" +
"browse/overlay/tradein_landing/iphone_values",
).then((r) => r.text());
const $ = cheerio.load(page);
const rows = $("tr").map((row, elem) => {
const [name, val] = $(elem)
.find("td")
.map((idx, elem) => $(elem).text())
.toArray();
return { name, val };
}).toArray().filter((row) => row.name && row.val);
@stevekrouse.iphoneTradeInValues.push({
date: new Date().toISOString(),
rows,
});
return rows;
});

Create APIs

Respond to HTTP requests, build websites, APIs, and more with Request & Response objects. Compatible with modern web frameworks like Hono and itty-router. Support for building HTML with JSX syntax.
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tmcw/endpoint

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/** @jsxImportSource npm:hono/jsx */
import { Hono } from "npm:hono@3.8.1";
import {
jsxRenderer,
useRequestContext
} from "npm:hono@3.8.1/jsx-renderer";
export const endpoint = (req: Request) => {
const app = new Hono();
app.get("/", (c) =>
c.render(<div>Hello, world!</div>));
return app.fetch(req);
};
https://tmcw-endpoint.web.val.run
Hello, world!

Email yourself

Send yourself an email as easily as you log to the console.
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stevekrouse/umbrellaReminder

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import { email } from "https://v3.module.town/v/std/email?v=7";
import { fetchJSON } from "https://v3.module.town/v/stevekrouse/fetchJSON";
import { umbrellaNeeded } from "https://v3.module.town/v/stevekrouse/umbrellaNeeded";
export const umbrellaReminder = async () => {
if (await umbrellaNeeded("brooklyn")) {
await email({
subject: "☔️ Carry an umbrella today!"
});
}
};
From:notifications@val.town
To:me@gmail.com
Subject: ☔️ Carry an umbrella today!

This is an email notification from Val Town: you can customize everything about it.

Share & learn in a community

Val Town isn't just a place to write code: it's a community to share ideas and build on each other’s inspiration.
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stevekrouse/gettingStarted

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export const myFirstFunction = (a, b) => {
return a + b;
};
10 likes
2 new comments

Import from npm and deno

Thousands of NPM modules are supported, along with Deno modules. No installation required - just import and it's there.
lodashHonocheeriozodmarkedremarkchalkelysiamomentopenaiunderscored3luxondate-fnsthousands more
Val Town is a social website to write and run code.
Vals are small JavaScript or TypeScript snippets of code, written in the browser and run on our servers. Create scheduled functions, email yourself, and persist small pieces of data — all from the browser.
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