(一元加号)将改变数字字符串值为数值(之前此操作无影响)。

(unary plus) to convert the value to a number if it is a numeric string (previously it was completely ignored).

youdao

(一元加号)将改变数字字符串值为数值(之前此操作无影响)。

(unary plus) to convert the value to a number if it is a numeric string (previously it was completely ignored).

youdao