del: useless variable (#1198)
* del: useless variable * fix: comment Co-authored-by: 魏银鹏 <weiyinpeng@weiyinpengdeMacBook-Pro.local>
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@ -13,5 +13,5 @@ const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags);
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```js
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const regExp = /lorem ipsum/gi;
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const regExp2 = cloneRegExp(regExp); // /lorem ipsum/gi
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const regExp2 = cloneRegExp(regExp); // regExp !== regExp2
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```
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