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a++和++a的区别 #9

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lovelmh13 opened this issue Feb 5, 2020 · 0 comments

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lovelmh13 commented Feb 5, 2020

只有在当前使用 ++a 或者 a++的时候不一样。执行完这句话，后面再用a的时候，值都是一样的。
如下代码

{
	var a = 0;
	console.log('a++: ', a++);
	console.log(a)
}
{
	var a = 0;
	console.log('++a: ', ++a);
	console.log(a);
}

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