掌握JavaScript语法的奥秘:揭开这些符号背后的秘密
原文英文,约600词,阅读约需2分钟。发表于: 。JavaScript has a rich set of operators that make it both powerful and versatile. Some of these operators are well known, while others may be new or lesser-used. Explaining what they are, how to...
JavaScript提供多种运算符:`?=`用于变量为null或undefined时赋值;`??=`为可能为null或undefined的变量设置默认值;`&=`用于按位与操作;`~~`将浮点数快速转换为整数;`|=`用于按位或操作;`||=`在变量为假值时赋值。