题解 | #文件扩展名#
文件扩展名
https://www.nowcoder.com/practice/01ca4c6aa14249c2911f89baba9dc023
const _getExFilename = (filename) => { return filename.slice(filename.indexOf('.')) }
文件扩展名
https://www.nowcoder.com/practice/01ca4c6aa14249c2911f89baba9dc023
const _getExFilename = (filename) => { return filename.slice(filename.indexOf('.')) }
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