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I heard that support has been rolled back, but why can I still execute this feature in the browser
Google version
No, isn’t this already in stage 4? There is no reason to roll it back
What are you afraid of? In actual development, if you want to use new features, you have to use Babel. Everything is a cloud.
Just use indexOf for this, there is no need to use inclides
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
No, isn’t this already in stage 4? There is no reason to roll it back
What are you afraid of? In actual development, if you want to use new features, you have to use Babel. Everything is a cloud.
Just use indexOf for this, there is no need to use inclides