去掉gridPanel表头全选框的小例子_javascript技巧

,listeners:{
render:function(){
var hd_checker = this.getEl().select('div.x-grid3-hd-checker');
if (hd_checker.hasClass('x-grid3-hd-checker')) {
hd_checker.removeClass('x-grid3-hd-checker');
}
}
}