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src/module/numberLabel.js

@@ -0,0 +1,10 @@
+/**
+ * 將數字轉換成帶有逗號格式(ex: 1000 -> 1,000)
+ * @param {number} num
+ * @returns
+ */
+export default function numberLabel(num) {
+  var parts = num.toString().split('.');
+  parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+  return parts.join('.');
+}