智能照明系统APP-本地串口
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LightingSystemApp-serial/.svn/pristine/23/23d889aa1c1ebf29489955df68e...

10 lines
203 B

// Pick the first defined of two or three arguments.
export default function defaults(a, b, c) {
if (a != null) {
return a;
}
if (b != null) {
return b;
}
return c;
}