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Woodsphreaker/getExtension.js

Created October 19, 2017 02:06
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getExtension
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getExtension.js
const fileNames = {
file1: "file.doc",
file2: "file.xls",
file3: "file.jpeg"
}
const getExtension = file => file.slice(file.lastIndexOf('.') + 1)
[...Object.values(fileNames)]
.map(el => getExtension(el)) //["doc", "xls", "jpeg"]
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