getting the frequencies of time

Author: TzeMingHo

Sprint-1/stretch/aoc-2018-day1/solution.js

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+const fs = require("fs");
+
+// read the file
+let frequencies = fs.readFileSync("input.txt", "utf-8");
+
+// split the numbers by next line and covert them into Number
+frequencies = frequencies.split("\n").map((num) => Number(num));
+
+// reduce to get the total = 529
+console.log(frequencies.reduce((acc, num) => acc + num, 0));