How to form a string with the id of the selected checkbox under jquery_jquery

复制代码 代码如下:

var colorValues = new Array();
$('#image-colors').find('.color-block').each(function(){
if($(this).find('span').eq(0).hasClass('selected')){
colorValues.push($(this).attr('title'));
}
});
var colorString = colorValues.join(',');
alert(colorString);