December 2017
Intermediate to advanced
329 pages
6h 9m
Chinese
Content preview from React学习手册
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React
与
JSX
｜
87
</script>
<script type="text/babel">
//
在这里编写
JSX
代码，或者链接其他包含
JSX
代码的独立
JavaScript
文件
</script>
</body>
</html>
Babel v5.8
是必需的
为了在浏览器中转译代码，最好使用
Babel v.5.8
。
Babel 6.0+
不能作为浏览器内
部的转译器使用。
本章后续的章节中，将会介绍
Babel
和
webpack
一起搭配使用，对
JavaScript
文件进行
静态转译。现在，使用浏览器内部的转译器已经能够满足需要了。
菜谱与
JSX
React
日渐风靡的原因之一是它允许用户使用优雅的代码编写
Web
应用。创建优雅的代
码模块非常有用，它可以清楚地说明应用程序的功能。
JSX
为用户提供了一种漂亮、
简洁的方式表示代码中的
React
元素，这对我们是非常有意义的，并且能够被团队的
其他开发人员快速地阅读理解。
JSX
的不足之处在于，它不能被浏览器识别。在我们
的代码可以被浏览器解析之前，需要将
JSX
格式转译成纯粹的
React
源码。
示例
5-5
中的数组包含两个菜谱，它们表示我们应用程序的当前
State
。
示例
5-5
：菜谱数组
var data = [
{
"name": "Baked Salmon",
"ingredients": [
{ "name": "Salmon", "amount": 1, "measurement": "l lb" },
{ "name": ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.