const store = this.up('grid').getStore();const selection = store.getRange().filter(record => record.get('selected') === true);const data = selection.map(record => record.getData());console.log(data);

text:''가 있어서 header의 라인이 2줄로 안보임Ext.application({ name: 'CheckboxHeaderGrid', launch: function () { Ext.create('Ext.grid.Panel', { renderTo: Ext.getBody(), width: 600, height: 400, title: 'Checkbox Header Grid Example', store: { fields: ['name', 'email', 'phone'], data: [ { name: ..