Question

怎么更改Extjs4 的tabpanel 当前激活tab的背景

Answer 1

var b=Ext.create('Ext.tab.Panel', {
width: 400,
height: 400,
activeTab:0,
renderTo: document.body,
items: [{
title: 'Foo',
tabConfig: {
title: 'Custom Title',
tooltip: 'A button tooltip',
id:'55'
}
}, {
title: 'Bar',
tabConfig: {
title: 'Custom Title',
tooltip: 'A button tooltip',
id:'456'
}
}]
});
alert(b.getActiveTab().tabConfig.id);