광고 증분 기여 측정

<div class="lift"><div class="heading">ATTRIBUTED ≠ INCREMENTAL</div><div class="bars"><div><span>NO AD</span><i id="control"></i><b id="cv">40</b></div><div><span>EXPOSED</span><i id="exposed"></i><b id="ev">55</b></div></div><div class="delta">ADDED PURCHASES <strong id="difference">+15</strong></div></div>

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const cases=[[40,55],[42,54],[39,57]];let n=0;function draw(){const [control,exposed]=cases[n++%3];document.querySelector('#control').style.height=control+'%';document.querySelector('#exposed').style.height=exposed+'%';document.querySelector('#cv').textContent=String(control);document.querySelector('#ev').textContent=String(exposed);document.querySelector('#difference').textContent='+'+(exposed-control)}draw();setInterval(draw,1450);