练习2：创建这个图形的代码效率低下。我们写了完全相同的指令整整六次！
- 重构代码，让它使用 for loop 绘制六个星形。
- 变量 x 和 size 的值应当在循环内部更改。
记住，你的代码应该画出完全相同的星形。你应该删除或注释出原始代码。
To navigate the page using the TAB key, first press ESC to exit the code editor.
练习2：创建这个图形的代码效率低下。我们写了完全相同的指令整整六次！
记住，你的代码应该画出完全相同的星形。你应该删除或注释出原始代码。
To navigate the page using the TAB key, first press ESC to exit the code editor.
Your micro:bit is not set up for this program. Follow these steps to use your device with Codesters:
Your micro:bit has an old version of the Codesters binary file. Follow these steps to update the file on your micro:bit:
Warning: This will erase any existing program on your micro:bit.
Having trouble? Check out the micro:bit instructions to update your firmware.
Setting up your micro:bit
Calibrate your micro:bit by tilting it until all the LEDs are lit.
For a demonstration see the micro:bit calibration instructions.
Try the following steps to connect to your Micro:bit:
1. You may need to reload this page and try your program again.
2. Try disconnecting and reconnecting your Micro:bit. Then reload the page and run your program again.
3. If you are still having problems your Micro:bit may have an old firmware version that is incompatible with Codesters.
To update the firmware follow these Micro:bit instructions.
Are you already running a Codesters project in another tab or window?
Micro:bit can only connect to one web page at a time. Try stopping other Codesters projects or closing other tabs or windows that may be using your Micro:bit.
If that doesn't fix the problem try disconnecting your Micro:bit, reloading this page, and reconnecting your Micro:bit.
Status: Connected!
Status: Connecting...
Status: Still connecting...
Status: Failure
Status: Not Found
Is your Micro:bit connected?