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Jquery infinite scroll using AJAX

        function lastPostFunc() {
            $('div#lastPostsLoader').html('<img src="bigLoader.gif">');

            var lastItemId = parseInt($(".wrdLatest:last").attr("id"));
            if (isNaN(lastItemId)) {
                return;
            }

            var data = "lastItemId=" + lastItemId;

            $.ajax({
                type: "post",
                url: "/getItems",
                cache: false,
                data: data,
                success: function(json){
                    $(".wrdLatest:last").after(html);
                    $('div#lastPostsLoader').empty();
                },
                error: function(response) {
                    alert(response.responseText);
                }
            });
        }

        $(window).scroll(function(){
            if  ($(window).scrollTop() == $(document).height() - $(window).height()){
                lastPostFunc();
            }
        });
https://snipt.net/embed/b4b2d88e8b97ca16acaca3522580299b/
/raw/b4b2d88e8b97ca16acaca3522580299b/
b4b2d88e8b97ca16acaca3522580299b
js
JavaScript
30
2019-08-23T11:41:03
True
False
False
Dec 02, 2013 at 09:01 AM
/api/public/snipt/97941/
jquery-infinite-scroll-using-ajax
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a> <a href="#L-30">30</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a> <span class="kd">function</span> <span class="nx">lastPostFunc</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-2"><a name="L-2"></a> <span class="nx">$</span><span class="p">(</span><span class="s1">&#39;div#lastPostsLoader&#39;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="s1">&#39;&lt;img src=&quot;bigLoader.gif&quot;&gt;&#39;</span><span class="p">);</span> </span><span id="L-3"><a name="L-3"></a> </span><span id="L-4"><a name="L-4"></a> <span class="kd">var</span> <span class="nx">lastItemId</span> <span class="o">=</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="s2">&quot;.wrdLatest:last&quot;</span><span class="p">).</span><span class="nx">attr</span><span class="p">(</span><span class="s2">&quot;id&quot;</span><span class="p">));</span> </span><span id="L-5"><a name="L-5"></a> <span class="k">if</span> <span class="p">(</span><span class="nb">isNaN</span><span class="p">(</span><span class="nx">lastItemId</span><span class="p">))</span> <span class="p">{</span> </span><span id="L-6"><a name="L-6"></a> <span class="k">return</span><span class="p">;</span> </span><span id="L-7"><a name="L-7"></a> <span class="p">}</span> </span><span id="L-8"><a name="L-8"></a> </span><span id="L-9"><a name="L-9"></a> <span class="kd">var</span> <span class="nx">data</span> <span class="o">=</span> <span class="s2">&quot;lastItemId=&quot;</span> <span class="o">+</span> <span class="nx">lastItemId</span><span class="p">;</span> </span><span id="L-10"><a name="L-10"></a> </span><span id="L-11"><a name="L-11"></a> <span class="nx">$</span><span class="p">.</span><span class="nx">ajax</span><span class="p">({</span> </span><span id="L-12"><a name="L-12"></a> <span class="nx">type</span><span class="o">:</span> <span class="s2">&quot;post&quot;</span><span class="p">,</span> </span><span id="L-13"><a name="L-13"></a> <span class="nx">url</span><span class="o">:</span> <span class="s2">&quot;/getItems&quot;</span><span class="p">,</span> </span><span id="L-14"><a name="L-14"></a> <span class="nx">cache</span><span class="o">:</span> <span class="kc">false</span><span class="p">,</span> </span><span id="L-15"><a name="L-15"></a> <span class="nx">data</span><span class="o">:</span> <span class="nx">data</span><span class="p">,</span> </span><span id="L-16"><a name="L-16"></a> <span class="nx">success</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">json</span><span class="p">){</span> </span><span id="L-17"><a name="L-17"></a> <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;.wrdLatest:last&quot;</span><span class="p">).</span><span class="nx">after</span><span class="p">(</span><span class="nx">html</span><span class="p">);</span> </span><span id="L-18"><a name="L-18"></a> <span class="nx">$</span><span class="p">(</span><span class="s1">&#39;div#lastPostsLoader&#39;</span><span class="p">).</span><span class="nx">empty</span><span class="p">();</span> </span><span id="L-19"><a name="L-19"></a> <span class="p">},</span> </span><span id="L-20"><a name="L-20"></a> <span class="nx">error</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">response</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-21"><a name="L-21"></a> <span class="nx">alert</span><span class="p">(</span><span class="nx">response</span><span class="p">.</span><span class="nx">responseText</span><span class="p">);</span> </span><span id="L-22"><a name="L-22"></a> <span class="p">}</span> </span><span id="L-23"><a name="L-23"></a> <span class="p">});</span> </span><span id="L-24"><a name="L-24"></a> <span class="p">}</span> </span><span id="L-25"><a name="L-25"></a> </span><span id="L-26"><a name="L-26"></a> <span class="nx">$</span><span class="p">(</span><span class="nb">window</span><span class="p">).</span><span class="nx">scroll</span><span class="p">(</span><span class="kd">function</span><span class="p">(){</span> </span><span id="L-27"><a name="L-27"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="nb">window</span><span class="p">).</span><span class="nx">scrollTop</span><span class="p">()</span> <span class="o">==</span> <span class="nx">$</span><span class="p">(</span><span class="nb">document</span><span class="p">).</span><span class="nx">height</span><span class="p">()</span> <span class="o">-</span> <span class="nx">$</span><span class="p">(</span><span class="nb">window</span><span class="p">).</span><span class="nx">height</span><span class="p">()){</span> </span><span id="L-28"><a name="L-28"></a> <span class="nx">lastPostFunc</span><span class="p">();</span> </span><span id="L-29"><a name="L-29"></a> <span class="p">}</span> </span><span id="L-30"><a name="L-30"></a> <span class="p">});</span> </span></pre></div> </td></tr></table>
ajax, infinite_scroll, javascript, jquery