js

https://www.cnblogs.com/Three-Z/p/QQ--269571627.html

https://www.cnblogs.com/Three-Z/p/QQ--269571627.html

https://www.easywechat.com/tutorials

 

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let a = ' ';
if(a){

console.log('abc');
}
else {
console.log('def');
}

也有类似的逻辑判断方式

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posted @ 2020-04-08 10:54  qqisnow2021  阅读(85)  评论(0编辑  收藏  举报