React.createElement('h1',{className:'greeting',children:['Hello,','world!']})
时间: 2024-01-03 14:04:13 浏览: 114
web开发中hello,world!框架的嵌套案例
JSX equivalent:
```jsx
<h1 className="greeting">Hello, world!</h1>
```
Explanation:
- `React.createElement()` is a method used to create React elements.
- The first argument is the type of the element (in this case, `'h1'` for a heading level 1).
- The second argument is an object containing any attributes (in this case, `'className'` with a value of `'greeting'`).
- The third argument is the content of the element, which can be a string, a number, or an array of elements. In this case, it is an array with two elements: the string `'Hello,'` and the string `'world!'`.
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