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It can be confusing to understand when and how the .prototype and .proto properties are created and used. They both seem to imply having something to 阅读全文
posted @ 2020-02-21 20:36
Zhentiw
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"let" keyword, the same as "const" does hoist the variable. But different from 'var', it does both hoist and assign value as "undefined". "let" in oth 阅读全文
posted @ 2020-02-21 19:48
Zhentiw
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Continue with previous post: https://www.cnblogs.com/Answer1215/p/12342540.html Now we need to think about functionExpression and ArrowFunction: funct 阅读全文
posted @ 2020-02-21 19:13
Zhentiw
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Continue with the previous post: https://www.cnblogs.com/Answer1215/p/12337243.html What we want to do in this post, is adding parent function name in 阅读全文
posted @ 2020-02-21 18:41
Zhentiw
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第一个原则：四项错误 一个三段论中，只能有三个不同的概念。如果有四个，就一定错了 比如： “人已经存在几百万年了，而你没有存在几百万年，所以你不是人”。看上去只有三个概念， “人，几百万年，你”。但是前后两个“人”的概念不同，前一个是指“人类”，而后一个指的是“人体”。所以总共有四个概念“你，几百万 阅读全文
posted @ 2020-02-21 04:40
Zhentiw
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