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dorman99/remove_duplicate_str.js

Created September 6, 2021 11:44
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remove duplicate string
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remove_duplicate_str.js
const fs = require("fs");
const file = fs.readFileSync("str.txt", "utf-8");
const removeDuplicateChar = (str) => {
return str.filter((v, idx) => {
const f = str.lastIndexOf(v);;
if (f && idx !== f) {
str.splice(f, 1);
}
return v;
});
}
console.log(removeDuplicateChar(file.split("")))
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