the part that is good is not original, and the part that is original is not good.--Samual johnson JS之父曾引用英国诗人的这句话来评价其创造的JavaScript语言。信息量挺大，详见JS诞生时的历史。 众所周知，JS有七种数据类型: number string null undefined object boolean symbol，其中symbol目前不很常...
the part that is good is not original, and the part that is original is not good.--Samual johnson JS之父曾引用英国诗人的这句话来评价其创造的JavaScript语言。信息量挺大，详见JS诞生时的历史。 众所周知，JS有七种数据类型: number string null undefined object boolean symbol，其中symbol目前不很常...
