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A : A @ B
逻辑与表达式 : 逻辑与表达式 && 按位或表达式
逻辑或表达式 : 逻辑或表达式 || 逻辑与表达式
这个叫空值合并运算符(MDN),以前真没见过,兼容性问题多
合并表达 : 合并表达头 ?? 按位或表达式
The text was updated successfully, but these errors were encountered:
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二进制按位运算符和二进制逻辑运算符以及条件运算符
二进制按位运算符求值
A : A @ B
&&
逻辑与表达式 : 逻辑与表达式 && 按位或表达式
||
逻辑或表达式 : 逻辑或表达式 || 逻辑与表达式
??
合并表达 : 合并表达头 ?? 按位或表达式
条件运算符 ? :
The text was updated successfully, but these errors were encountered: