MongoDB supports a variety of conditional operators, including.
MongoDB支持各种条件运算符，包括。
And because every UNIX command returns a status code reflecting success or failure, you can use any command as a conditional — not just the test operators.
而且由于每个UNIX命令都返回一个指示成功或失败的状态代码，因此，您可以使用任何命令作为“条件”——而不仅仅是使用测试操作符。
Convenient buttons have been provided for conditional statements and operators.
方便的按钮提供条件语句和操作。
It makes your conditional expressions more readable; avoiding the use of Boolean operators.
它使你的条件表达式变得更加可读，避免了布尔运算符的使用。
The conditional operator has lower precedence than bitwise operators.
条件运算符的优先级比按位运算符的优先级低。
Any of the relational operators you've seen earlier in this chapter can be used to produce a conditional statement.
本章早些时候接触到的所有关系运算符都可拿来构造一个条件语句。
Any of the relational operators you've seen earlier in this chapter can be used to produce a conditional statement.
本章早些时候接触到的所有关系运算符都可拿来构造一个条件语句。
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