javascript 标签_JavaScript标签

比眉伴天荒 2023-02-21 14:30 76阅读 0赞

javascript 标签

No matter how long you've been a JavaScript developer, there will always be language features that you didn't know about until you saw them in a fringe piece of code. Your reaction generally is a bit like:

不管您是一名JavaScript开发人员已有多久了，总会有一些您不了解的语言功能，直到您在一段附带的代码中看到它们为止。 您的React通常有点像：

![Thinking][]

One of those features I see developers quizically trying to figure out is JavaScript labels, which allow you to manage `break` and `continue` with JavaScript loops. Let's have a look at them!

我看到开发人员奇怪地想找出的功能之一就是JavaScript标签，它允许您管理`break`并`continue`执行JavaScript循环。 让我们看看他们！

The basic format of a loop is `{loopname}:` before the loop starts:

循环的基本格式为`{loopname}:`循环开始前：

{loopName}:
    for({iterating}) {
      {actions}
    }

The power of labels comes with nested loops -- you can use `break` and `continue`, paired with the label name, to manage loop escaping:

标签的功能带有嵌套循环-您可以使用`break`和`continue` (与标签名称配对)来管理循环转义：

Nested loops can be difficult to manage but labels make directing and escaping them easy. The next time you want to look like a smart one in the room, break out the JavaScript labels!

嵌套循环可能很难管理，但是标签使定向和转义变得容易。 下次您想在房间里看起来像个聪明人时，突破JavaScript标签！

> 翻译自: [https://davidwalsh.name/javascript-labels][https_davidwalsh.name_javascript-labels]

javascript 标签

[Thinking]: http://imgconvert.csdnimg.cn/aHR0cHM6Ly9kYXZpZHdhbHNoLm5hbWUvZGVtby96YWNoLWdhbC10aGlua2luZy5naWY
[https_davidwalsh.name_javascript-labels]: https://davidwalsh.name/javascript-labels