< a href="javascript:;" class="columna"><i class="fa fa-address-book" aria-hidden="true"></i> <span class="sr-only">Example of </span>address-book</ a>
要取得：address-book
js:
//关闭iframe
$('.columna').click(function(){
var t_val=$(this).contents().filter(function() {
return this.nodeType == 3;
}).text()
if(t_val === ''){
parent.layer.msg('请填写图标');
return;
}
//parent.layer.msg('您将图标 [ ' +t_val + ' ] 成功传送给了父窗口');
parent.$('#icon').val(t_val);
parent.$('#parentIframe').attr("class","layui-icon parentIframe "+t_val);
parent.layer.close(index);
});