从 checkSessionCount 调用 loadLevel1Categories ,然后对所有.alvl1类进行操作。据我所知,我知道数据正在返回。延迟似乎没有起作用。
我已经通过将setTimeout放在loadLevel1Categories()之后进行了测试;一切都以这种方式工作,但这很麻烦,并且将返回不同数量的数据,因此无法预测要添加多少延迟。
$(function(){
var objCats = $('#portal_categories');
function loadLevel1Categories() {
objCats.empty();
var dfd = $.Deferred();
$.getJSON('getdata.php?ty=ca1&ts='+new Date(),function(){
//success
}).done(function(data){
var r = new Array, j = -1;
$.each(data,function(k,item) {
r[++j] = '<a href="#" class="alvl1" data-id="'+item.id+'">'+item.title+'</a>';
});
objCats.html(r.join(''));
dfd.resolve();
}).fail(function(){
objCats.html('Unable to locate any data');
});
return dfd.promise();
}
function checkSessionCount() {
$('#debug').empty();
loadLevel1Categories();
//do something with the .alvl1 elements once data is returned
//but this bit isn't working as the database hasn't been returned yet
}
//on page load
checkSessionCount();
});
答案 0 :(得分:0)
您可以使用.then回调
loadLevel1Categories().then(()=>{
//do something with the .alvl1 elements once data is returned
})