function toBoolean(something: any): boolean {
    return something as boolean;
}
cc.log(toBoolean(1));

上面代码输出还是1，something还是number类型，类型断言并没有什么用

function toBoolean(something: any): boolean {
    return Boolean(something);
}
cc.log(toBoolean(1));

若要进行类型转换，需要直接调用类型转换的方法Boolean()