Javascript中简单变量分配的问题[重复]
[英]Problem with simple variable assignment in Javascript [duplicate]
问题描述
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Facing a Javascript problem that has to be simple. 面对一个简单的Javascript问题。 Going nuts. 快疯了。
I declare and assign a variable as usual: 'let that = this'; 我像往常一样声明并分配一个变量：'let that = this'; When running the code in the Chrome debugger, 'this' is defined and has a value, but 'that' remains undefined. 在Chrome调试器中运行代码时，“ this”已定义并具有一个值，但“ that”仍未定义。 I know that 'this' is fickle in Javascript, but we're speaking the line after the assignment. 我知道'this'在Javascript中是变幻莫测的，但是我们在赋值后再说一行。
Any idea of what would happen? 知道会发生什么吗？ This is in a quite simple event handler, don't see where there could be a trap. 这是在一个非常简单的事件处理程序中，看不到可能存在陷阱的地方。
I started using Flow and transpiling JS with Codekit. 我开始使用Flow并通过Codekit转译JS。 I have the impression that Chrome debugger has gone a bit unstable since, could it be related? 我的印象是，Chrome调试器自此以来变得有些不稳定，可能与之相关吗？
Many thanks! 非常感谢！
0 个解决方案
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