Hello airbnb

hydro/utils.js

@@ -5,13 +5,12 @@ const map = [
     'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
     'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
     'Y', 'Z', '1', '2', '3', '4', '5', '6', '7', '8',
-    '9', '0'
+    '9', '0',
 ];
 
-String.random = function (digit) {
+String.random = function random(digit) {
     let str = '';
-    for (let i = 1; i <= digit; i++)
-        str += map[Math.floor(Math.random() * 62)];
+    for (let i = 1; i <= digit; i++) str += map[Math.floor(Math.random() * 62)];
     return str;
 };
 
@@ -20,15 +19,14 @@ String.random = function (digit) {
  * @param {Array} b
  */
 Array.isDiff = function isDiff(a, b) {
-    if (a.length != b.length) return true;
+    if (a.length !== b.length) return true;
     a.sort();
     b.sort();
-    for (let i in a)
-        if (a[i] != b[i]) return true;
+    for (const i in a) { if (a[i] !== b[i]) return true; }
     return false;
 };
 
-Date.prototype.format = function (fmt = '%Y-%m-%d %H:%M:%S') {
+Date.prototype.format = function formatDate(fmt = '%Y-%m-%d %H:%M:%S') {
     return fmt
         .replace('%Y', this.getFullYear())
         .replace('%m', this.getMonth() + 1)