javascript - SyntaxError : C:/workspace/src/app. jsx:意外标记 (115:36)

Question

我是新手。我遇到语法错误，你能告诉我为什么会这样吗？提供以下代码。

Module build failed: SyntaxError: C:/workspace/src/app.jsx: Unexpected token (115:36)
  113 |                                 <h6>Your rollover to a  IRA is in progress...</h6>
  114 |                                 {
> 115 |                                     if(this.props.sportsInfo.fundingDetailId === null || this.props.sportsInfo.fundingDetailId === undefined || this.props.sportsInfo.fundingDetailId === '') 
      |                                     ^
  116 |                                     {
  117 |                                         App.rollOverNoContent();
  118 |                                     }

Answer 1

答案就在 docs 中:

if statements and for loops are not expressions in JavaScript, so they can't be used in JSX directly. Instead, you can put these in the surrounding code.

你的 JSX 必须是一个表达式(粗略地说，它必须返回一些东西)。您可以在此 article 中阅读更多内容来自@rauschma。