ADVANCED: DEBATES AND CRITICAL THINKING

🔴 Language learning

<script>!function(e){"function"==typeof define&&define.amd?define(["jquery"],e):"object"==typeof exports?module.exports=e(require("jquery")):e(jQuery)}((function(e){var t,i,n,o=[],l=document,f=window,r=l.documentElement;function a(){if(o.length){var n,a,s,h=0,d=e.map(o,(function(e){var t=e.data.selector,i=e.$element;return t?i.find(t):i}));for(t=t||((s={height:f.innerHeight,width:f.innerWidth}).height||!(n=l.compatMode)&&e.support.boxModel||(s={height:(a="CSS1Compat"===n?r:l.body).clientHeight,width:a.clientWidth}),s),i=i||{top:f.pageYOffset||r.scrollTop||l.body.scrollTop,left:f.pageXOffset||r.scrollLeft||l.body.scrollLeft};h<o.length;h++)if(e.contains(r,d[h][0])){var p=e(d[h]),c={height:p[0].offsetHeight,width:p[0].offsetWidth},u=p.offset(),g=p.data("inview")||!1;if(!i||!t)return;var v=u.top+c.height,w=p.data("offset")||0,m=v+w>=i.top&&u.top<=i.top,b=i.top+t.height;if(isTopVisible=u.top-w<=b&&v>=b,inView=u.top>=i.top&&v<=b,inViewWithOffset=inView||m||isTopVisible||u.top<=i.top&&v>=b,inViewWithOffset){var y=isTopVisible?"top":m?"bottom":"both";g&&g===y||p.data("inview",y).trigger("inview",[!0,y])}else!inView&&g&&p.data("inview",!1).trigger("inview",[!1])}}}e.event.special.inview={add:function(t){o.push({data:t,$element:e(this),element:this}),!n&&o.length&&(n=setInterval(a,250))},remove:function(e){for(var t=0;t<o.length;t++){var i=o[t];if(i.element===this&&i.data.guid===e.guid){o.splice(t,1);break}}o.length||(clearInterval(n),n=null)}},e(f).on("scroll resize scrollstop",(function(){t=i=null})),!r.addEventListener&&r.attachEvent&&r.attachEvent("onfocusin",(function(){i=null}))}));</script><script>$(document).ready(function(){    $('shighlight').on('inview', function(event, isInView) {      if (isInView) {        $(this).addClass("start-animation");              } else {        $(this).removeClass("start-animation");      }    });     $('span.shighlight').on('inview', function(event, isInView) {      if (isInView) {        $(this).addClass("start-animation");              } else {        $(this).removeClass("start-animation");      }    });        $('.shighlight').on('inview', function(event, isInView) {      if (isInView) {        $(this).addClass("start-animation");              } else {        $(this).removeClass("start-animation");      }    });           if($(".kapow-snap").length>0){        window.setTimeout(function(){            $('shighlight').on('inview', function(event, isInView) {            if (isInView) {                $(this).addClass("start-animation");                            } else {                $(this).removeClass("start-animation");            }            });             $('span .shighlight').on('inview', function(event, isInView) {            if (isInView) {                $(this).addClass("start-animation");                            } else {                $(this).removeClass("start-animation");            }            });             $('.shighlight').on('inview', function(event, isInView) {            if (isInView) {                $(this).addClass("start-animation");                            } else {                $(this).removeClass("start-animation");            }            });                                 }, 1500);    }       if(typeof(CoursePlayerV2) !== 'undefined') {      CoursePlayerV2.on('hooks:contentDidChange', function(data) {                  window.setTimeout(function(){        $('.shighlight').on('inview', function(event, isInView) {                    if (isInView) {            $(this).addClass("start-animation");                      } else {            $(this).removeClass("start-animation");          }        });            }, 1500);      });                      }    })</script>