DEMO 2 : 让我们回顾一下使用适当缩进的 if 语句。
if 语句或条件语句以将测试变量与测试值进行比较的测试开始。如果测试语句为真，则下面缩进的代码运行。如果测试语句不正确，则跳过缩进的代码并运行程序的其余部分。一个缩进是4个空格，正确缩进的行会在代码行前显示一个···· ！
To navigate the page using the TAB key, first press ESC to exit the code editor.
DEMO 2 : 让我们回顾一下使用适当缩进的 if 语句。
if 语句或条件语句以将测试变量与测试值进行比较的测试开始。如果测试语句为真，则下面缩进的代码运行。如果测试语句不正确，则跳过缩进的代码并运行程序的其余部分。一个缩进是4个空格，正确缩进的行会在代码行前显示一个···· ！
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?