preserves user choice and flexibility where it is important.

원인const 변수의 값을 바꾸려고 할때 발생해결const를 let이나 var로 변경

일반적으로 프레임워크가 지정된 클래스의 인스턴스를 확인하거나 생성할 수 없을 때 발생합니다The error "Uncaught TypeError: c is not a constructor" typically occurs when an attempt is made to instantiate a class or object that does not exist or is not correctly defined. In the context of ExtJS, this can happen for various reasons. Here's how to diagnose and resolve the issue:

panel의 중간에 보이도록 처리Ext.create('Ext.panel.Panel', { title: 'Vertical Alignment Example', width: 400, height: 300, layout: { type: 'vbox', // Vertical box layout align: 'center', // Center items horizontally pack: 'center' // Center items vertically }, items: [ { xtype: 'component', html: 'This is vertically centered!' } ..

ASIS정의: function setTheme(themeName)호출: setTheme('theme-aria');Ext.define('Home.Application', { extend: 'Ext.app.Application', name: 'Home', // Load any required classes requires: [ 'Home.view.main.Main' ], // Application launch logic launch: function () { function setTheme(themeName) { const themePath = `/resources/classic/${themeName}/resources/${themeName}-all.c..

Link 사용시프로그램에서 강제로 변경할 경우theme를 변경하고, layout 전체를 다시 그려줘야 함index.htmltheme 관련 link가 없거나, href=""이어야지 layout이 안깨지고 정상 작동함 Application.js/** * The main application class. An instance of this class is created by app.js when it * calls Ext.application(). This is the ideal place to handle application launch and * initialization details. */Ext.define('Home.Application', { extend: 'Ext.app.Applicatio..