Update 233-number-of-digit-one.js

Author: everthis

233-number-of-digit-one.js

@@ -24,15 +24,16 @@ const countDigitOne = function(n) {
  * @param {number} n
  * @return {number}
  */
-const countDigitOne = function(n) {
+const countDigitOne = function (n) {
   if (n <= 0) return 0
   let ones = 0
   for (let i = 1, q = n; i <= n; i *= 10, q = (q / 10) >> 0) {
-    let pre = (n / (i * 10)) >> 0,
+    const pre = (n / (i * 10)) >> 0,
       cur = q % 10,
       suf = n % i
     ones += pre * i
     ones += 1 < cur ? i : 1 == cur ? suf + 1 : 0
   }
   return ones
 }
+