JavaScript "相等" 的二三事

相等不相等？ 先来随便举几个:chestnut:吧~ '0' == true //? == //? == 1 //? null == false //? null == undefined //? NaN === NaN //? +0 === -0 //? Object.is( ) //? Object.is(-0, +0) //? Object.is(NaN, NaN) //? v...