트랜잭션 메일 비용 비교

<div class="compare" data-motif="email"><div class="head"><b>EMAIL · MONTHLY SENDS</b><strong id="amount">0</strong></div><div class="bars"><div class="row"><span>Resend</span><div class="track"><i id="bar-0"></i></div><b id="value-0">$0</b></div><div class="row"><span>Postmark</span><div class="track"><i id="bar-1"></i></div><b id="value-1">$0</b></div></div><input id="compare-slider" type="range" min="0" max="100000" step="1000" value="0" aria-label="Monthly usage"><div class="caveat">Lowest Resend tier · Free also 100/day</div><small>2026-10-06 공식 가격 기준 · 단순화(세금·지역 할증 제외)</small></div>

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const slider=document.getElementById('compare-slider'),calc=[(n)=>(n<=3000?0:Math.min(...[[50000,20,0.9],[100000,35,0.9],[100000,90,0.9],[200000,160,0.8],[500000,350,0.7],[1000000,650,0.65],[1500000,825,0.52],[2500000,1150,0.46]].map(([included,base,rate])=>base+Math.ceil(Math.max(0,n-included)/1000)*rate))),(n)=>(n<=100?0:15+Math.max(0,(n-10000)/1000)*1.8)],unit="emails",max=100000;let timer,index=0;const samples=[0,1000,25000,50000,100000];function draw(n){slider.value=String(n);document.getElementById('amount').textContent=n.toLocaleString()+' '+unit;const values=calc.map(fn=>fn(n)),largest=Math.max(1,...values.filter(v=>v!==null));values.forEach((value,i)=>{const label=document.getElementById('value-'+i),bar=document.getElementById('bar-'+i);label.textContent=value===null?'unpublished':'$'+value.toLocaleString('en-US',{maximumFractionDigits:2});bar.style.width=value===null?'100%':Math.max(2,value/largest*100)+'%';bar.style.opacity=value===null?'.25':'1'})}draw(0);timer=setInterval(()=>{index=(index+1)%samples.length;draw(samples[index])},1100);slider.addEventListener('input',()=>{clearInterval(timer);draw(Number(slider.value))})