The equal sign and the expression giving the initial value are in fact optional in a variable declaration.

等号和表达式给出的初始值在变量声明时实际上是可选的。

youdao

The equal sign and the expression giving the initial value are in fact optional in a variable declaration.

等号和表达式给出的初始值在变量声明时实际上是可选的。

youdao