Join MDN and developers like you at Mozilla's View Source conference, 12-14 September in Berlin, Germany. Learn more at https://viewsourceconf.org

zhangyaochun1987 (yaochun)

成为会员
zhangyaochun1987

近期活跃的文档

查看所有活动
页面 日期 评论

Object.is()


补充丢失的东西

Number.isFinite()


更直白准确

isFinite()


分享中文版

String.prototype.startsWith()


String.prototype.startsWith()