Load more: AirAsiaPlus.js

AirAsiaPlus.js

var loadMoreLink;
var loadingImg;

load = function() {
   load.getScript("https://code.jquery.com/jquery-1.12.4.min.js");
   load.tryReady(0); //用来等待jQuery类库加载
}

//以下代码用来动态加载任何js代码
load.getScript = function(filename) {
   var script = document.createElement('script')
   script.setAttribute("type","text/javascript")
   script.setAttribute("src", filename)
   if (typeof script!="undefined")
      document.getElementsByTagName("head")[0].appendChild(script)
}

load.tryReady = function(time_elapsed) {
//持续查询jQuery是否加载完毕
   if (typeof jQuery == "undefined") { // 如果没有加载jQuery...
      if (time_elapsed <= 5000) {
         setTimeout("load.tryReady(" + (time_elapsed + 200) + ")", 200); //设置200ms后继续尝试
      } else {
         alert("Failed to loading jQuery because of timeout.")
      }
   } else {
      // jQuery加载完毕后执行的代码
      jQuery("#status").animate({'font-size':'30px'}).text("Great! jQuery is loaded for GBin1.com!");
      jQuery.getScript('https://cdn.rawgit.com/azatoth/jquery-sprintf/master/jquery.sprintf.js');
      jQuery.getScript('https://cdnjs.cloudflare.com/ajax/libs/chrono-node/1.3.4/chrono.min.js');
      loadMoreLink = jQuery('a:last').html('Load More').attr('href','javascript:loadMore()');
      loadMoreLink.after('<img alt="" style="display:none" id="loadingImg" src="data:image/gif;base64,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" />');
      loadingImg = jQuery('#loadingImg');
   }
}

load();

// get parameter's value from URL
function getURLParameter(name) {
   return decodeURI(
      (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search)||[,null])[1]
      );
}
// get all parameters 
function getParameters() {
  var searchString = window.location.search.substring(1)
    , params = searchString.split("&")
    , hash = {}
    ;

   for (var i = 0; i < params.length; i++) {
      var val = params[i].split("=");
      hash[unescape(val[0])] = unescape(val[1]);
   }
  return hash;
}

function getNextDate()
{
   hash = {};
   var tdLastText = jQuery('#result > tbody > tr:last-child > td:first-child').text();
//    var date = /(\d{1,2}) (\w+) (\d{4,})/.exec(tdLastText);
   var date = chrono.parseDate(tdLastText);
   return chrono.parseDate('tomorrow', date);
}

var parameters = getParameters();


function loadMore()
{
   loadMoreLink.html('loading...');
   loadingImg.toggle();

   var date = getNextDate();

   var nextUrl = `https://airasiaplus.com/search-cheap-flight.php?fMonth=${date.getMonth()+1}&fDay=${date.getDate()}&fYear=${date.getFullYear()}&fOrigin=${parameters.fOrigin}&fDestination=${parameters.fDestination}&fCurrency=CNY&submit=Search+AirAsia+Flights`;

   var theTable = jQuery('#result');

   jQuery.ajax({
      url: nextUrl,
      success: function(data, textStatus, jqXHR){
         nextHtml = data; 
         console.log(data);
         var newTable = jQuery(nextHtml).find('#result');
         theTable.find('tbody').append(newTable.find('tbody').html());
         jQuery('tr:has(td[colspan=6]):gt(0)').remove()
         loadMoreLink.html('Load More');
         loadingImg.toggle();
      },
      error: function(jqXHR, textStatus, errorThrown){
         console.log(errorThrown);
         loadMoreLink.html('Load More');
         loadingImg.toggle();
      }
   });
}

Hi, what is this function for? Loading flights?