1. 设置路径
Windows:File -> Settings -> Editor -> Code Style -> Javascript
Mac:Preferences -> Editor -> Code Style -> Javascript
2. 切换到Punctuation标签下
![](https://img.haomeiwen.com/i6263294/d84e2e477e9dc4a7.png)
3. 设置
Don't use[不使用] semicolon[分号] to terminate statement in new code
Use single quotes[单引号] in new code
![](https://img.haomeiwen.com/i6263294/a53857e63c731027.png)
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