问题描述
我能够让无限滚动正常工作,但我不知道如何在我的代码笔中显示 10 个随机项目:https://codepen.io/smuglovsky/pen/VwpjgQZ
// infinite scroll
var currentscrollHeight = 0;
var count = 0;
jQuery(document).ready(function ($) {
for (var i = 0; i < 10; i++) {
callData(count); //Call 10 times on page load
count++;
}
});
$(window).on("scroll",function () {
const scrollHeight = $(document).height();
const scrollPos = Math.floor($(window).height() + $(window).scrollTop());
const isBottom = scrollHeight - 100 < scrollPos;
if (isBottom && currentscrollHeight < scrollHeight) {
//alert('calling...');
for (var i = 0; i < 10; i++) {
callData(count); //Once at bottom of page -> call 10 times
count++;
}
currentscrollHeight = scrollHeight;
}
});
function callData(counter) {
$.ajax({
type: "GET",url: "https://shop.biblefarm.org/democontenArray.json",dataType: "json",success: function (result) {
这样我就能得到结果,但只有第一条记录总是相同的重复
/*
$(
'<div class="card my-4 py-3"><h4 class="card-title">' +
result[0] +
"</h4><p>" +
counter +
"</p></div>"
).appendTo(".list");
*/
尝试在此处选择随机结果,但未定义
// Pick random results from the array
var randomresults = Math.floor(Math.random() * result.length);
$(
'<div class="card my-4 py-3"><h4 class="card-title">' +
randomresults[0] +
"</h4><p>" +
counter +
"</p></div>"
).appendTo(".list");
},error: function (result) {
//alert("error");
$(
'<div class="card my-4 py-3"><h4 class="card-title">API call Failed</h4><p>' +
counter +
"</p></div>"
).appendTo(".list");
}
});
}
解决方法
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