a == 1 && a == 2 && a == 3 输出true方法 #36

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H246802 opened this issue Nov 14, 2018 · 0 comments

H246802 commented Nov 14, 2018 •

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var a = {};
var num = 0;
a.valueOf = function(){
	return ++num
};
a == '1' && a == '2' && a == '3'

建议查看JavaScript 标准参考教程 -阮一峰

Originally posted by @H246802 in #1 (comment)

H246802 closed this as completed

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