?（可选链）, ??（空值合并运算符）, ||（逻辑或操作符）的差异和使用场景

[hawtim]

[hawtim]

Reference:

1. https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator
2. https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Optional_chaining
3. https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Logical_OR