Both work fundamentally the same way, at compile time the keyword "var" is replaced with the correct scalar or array type for the associated expression.

二者的实现基础完全相同，即在编译时将“var”替换成为分析得到的正确的变量或数组类型表达式。

youdao

This does not apply to the comma separator, which is used in object literals, array literals, var statements, and parameter lists.

这不包括那些被用在对象定义，数组定义，var语句，和参数列表中的逗号分隔符。

youdao

This does not apply to the comma separator, which is used in object literals, array literals, var statements, and parameter lists.

这不包括那些被用在对象定义，数组定义，var语句，和参数列表中的逗号分隔符。

youdao