start grid

lib/ui/dropdown.js

@@ -97,8 +97,7 @@ class Dropdown {
     onselected;
     onexpanded;
 
-    constructor(options) {
-        options ??= {};
+    constructor(options = {}) {
         options.searchplaceholder ??= r('searchHolder', 'Search...');
         options.textkey ??= 'text';
         options.valuekey ??= 'value';
@@ -287,8 +286,7 @@ class Dropdown {
 
     get #expanded() { return this.#container?.style.visibility === 'visible' }
 
-    #dropdown(flag) {
-        flag ??= true;
+    #dropdown(flag = true) {
         const options = this.#options;
         const textkey = options.textkey;
         let panel = this.#container;
@@ -472,8 +470,7 @@ class Dropdown {
         }
     }
 
-    static resolve(dom) {
-        dom ??= document.body;
+    static resolve(dom = document.body) {
         const selects = dom.querySelectorAll('select');
         for (let sel of selects) {
             const source = [...sel.children].map(it => {