模板文字作为JSX中的字符串内容 [英] Template literals as string content in JSX

问题描述

我想知道将字符串值与JSX标签内的变量混合在一起的最佳做法是什么，我列出了我熟悉的选项:

I'm wondering whats the best practice for strings values mixed with variables inside JSX tags, I've listed the options I'm familiar with:

render() {
    const {totalCount} = this.state;
    const totalCountStr = `Total count: ${totalCount}`;
    return (
        <div>
            <h1>Total count: {totalCount}</h1> // 1
            <h1>`Total count: ${totalCount}`</h1> // 2
            <h1>{totalCountStr}</h1> // 3
        </div>
    );
}

什么是最佳实践或用例以不同的方式使用它们?

What's the best practice or the use cases to use them differently?

谢谢！

推荐答案

React JSX当前不支持模板文字.正确的方法是这样的:

Template literals aren't supported by React JSX currently. The correct way to do it is like so:

<h1>Total count: {this.state.totalCount}</h1>

您的第三种方法也是正确的，但是由于调试问题，我个人不推荐这样做，因为随着代码扩展，您需要扫描方括号

Your third way is also correct, but I personally wouldn't recommend it because of debug issues as you would need to scan for brackets as the code expands

<h1>{`Total count: ${this.state.totalCount}`}</h1>

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