고객생애가치 분석

<div class="lva"><div class="lva-head">REVENUE PER CUSTOMER <b id="lva-age">MONTH 1</b></div><div class="lva-chart"><div class="lva-axis"><span>$60</span><span>$30</span><span>$0</span></div><svg viewBox="0 0 300 110" preserveAspectRatio="none" aria-label="Cumulative revenue by acquisition cohort"><path id="lva-jan" d="M 0 100 L 100 73 L 200 43 L 300 11"/><path id="lva-feb" d="M 0 100 L 100 82 L 200 61 L 300 29"/><line id="lva-cursor" x1="0" x2="0" y1="4" y2="103"/></svg></div><div class="lva-bottom"><span>MONTHS SINCE ACQUISITION</span><b>JAN <i></i> FEB</b></div></div>

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let age=1;const paths=[document.querySelector('#lva-jan'),document.querySelector('#lva-feb')];const lengths=paths.map(p=>p.getTotalLength());function draw(){paths.forEach((p,i)=>{const shown=lengths[i]*age/3;p.style.strokeDasharray=shown+' '+lengths[i]});document.querySelector('#lva-cursor').setAttribute('x1',String(age*100));document.querySelector('#lva-cursor').setAttribute('x2',String(age*100));document.querySelector('#lva-age').textContent='MONTH '+age}draw();setInterval(()=>{age=age===3?1:age+1;draw()},650);