# Testing the Examples

## Build and serve

```sh
make
python3 -m http.server 9994 --directory examples
```

Open `http://localhost:9994/basics/index.html` for the full index, or test each example directly below.

---

## basics/hello.html

`http://localhost:9994/basics/hello.html`

- Page loads → browser alert says **Hei maailma!**

---

## basics/factorial.html

`http://localhost:9994/basics/factorial.html`

- Page loads → prompt appears
- Enter `5` → alert shows **120**
- Enter `0` → alert shows **1**

---

## basics/fibonacci.html

`http://localhost:9994/basics/fibonacci.html`

- Page loads → prompt appears
- Enter `10` → alert shows **55**
- Enter `1` → alert shows **1**

---

## data-structures/lista.html

`http://localhost:9994/data-structures/lista.html`

- Right panel shows the list `[3, 1, 4, 1, 5]`
- Size: **5**, first element: **3**
- Ascending sort: **1 1 3 4 5**
- Descending sort: **5 4 3 1 1**

---

## data-structures/vektori.html

`http://localhost:9994/data-structures/vektori.html`

- Dimension: **2**
- Sum: **7**
- Length (3-4-5 triangle): **5**

---

## strings/merkkijono.html

`http://localhost:9994/strings/merkkijono.html`

- Merkkijono: **Hei, Tampio!**
- Pituus: **12**
- Yhdistetty: **Hei, Tampio! Vuosi 2026.**
- Siistitty: **'välilyönnit poistuvat'**
- Hedelmät: **omena banaani kiivi**

---

## async/nappi.html

`http://localhost:9994/async/nappi.html`

- Two buttons visible: **+1** and **+10**
- Click **+1** → one `▪` dot appears
- Click **+10** → ten `▪` dots appear
- Dots accumulate across clicks

---

## program/kasvutaulukko.html

`http://localhost:9994/program/kasvutaulukko.html`

- **Kertoma (n!)** section shows: `1 1 2 6 24 120 720`
- **Fibonacci-kani (fib(n))** section shows: `1 1 2 3 5 8 13`

---

## Checking for errors

Open browser DevTools (`F12` → Console) on any page and verify no red errors appear. The only expected output is from the examples themselves.