Create 2288-apply-discount-to-prices.js

Author: everthis

2288-apply-discount-to-prices.js

@@ -0,0 +1,16 @@
+/**
+ * @param {string} sentence
+ * @param {number} discount
+ * @return {string}
+ */
+var discountPrices = function(sentence, discount) {
+   const arr = sentence.split(' '), n = arr.length
+   for(let i = 0; i < n; i++) {
+     const cur = arr[i]
+     const rest = cur.slice(1)
+     if(cur.startsWith('$') && rest.length && !Number.isNaN(+rest)) {
+       arr[i] = '$' + ((+rest) * (100 - discount) / 100).toFixed(2)
+     }
+   }
+  return arr.join(' ')
+};