皇朝9VAAV：一场穿越时空的奢华视听盛宴

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0title数字计数手动步进方框演示/titlestylebody{font-family:Arial,sans-serif;padding:20px;text-align:center;}#container{display:flex;justify-content:center;gap:10px;margin-top:40px;}.digit{width:50px;height:50px;border:2px solid #888;display:flex;flex-direction:column;justify-content:center;align-items:center;transition:background-color

3s;font-size:18px;border-radius:6px;position:relative;}.digit.active{background-color:orange;color:white;}.index{position:absolute;top:2px;right:4px;font-size:12px;color:#555;}#controls{margin-top:20px;}#numberInput{width:200px;padding:5px;font-size:16px;}button{padding:5px 15px;font-size:16px;margin-left:10px;cursor:pointer;}/style/headbodyh2数字��出�次数手动步进演示方框版/h2p输入数字例如13234/pinputtypetextidnumberInputvalue13234buttonidstartBtn开始/buttondividcontainer!-- 数字

方框 --divclassdigitdata-num0spanclassindex0/spanspanclasscount0/span/divdivclassdigitdata-num1spanclassindex1/spanspanclasscount0/span/divdivclassdigitdata-num2spanclassindex2/spanspanclasscount0/span/divdivclassdigitdata-num3spanclassindex3/spanspanclasscount0/span/divdivclassdigitdata-num4spanclassindex4/spanspanclasscount0/span/divdivclassdigitdata-num5spanclassindex5/spanspanclasscount0/span/divdivclassdigitdata-num6spanclassindex6/spanspanclasscount0/span/divdivclassdigitdata-num7spanclassindex7/spanspanclasscount0/span/divdivclassdigitdata-num8spanclassindex8/spanspanclasscount0/span/divdivclassdigitdata-num9spanclassindex9/spanspanclasscount0/span/div/divdividcontrolsbuttonidprevBtn上一步/buttonbuttonidnextBtn下一步/button/divscriptconstdigitsdocument.querySelectorAll(.digit);conststartBtndocument.getElementById(startBtn);constnumberInputdocument.getElementById(numberInput);constprevBtndocument.getElementById(prevBtn);constnextBtndocument.getElementById(nextBtn);letcountsArray(

.fill(

;letsteps[];// �存�一步状�letcurrentStep-1;letnumberStr;functionresetVisualization(){counts.fill(

;steps[];currentStep-1;digits.forEach(d{d.classList.remove(active);d.querySelector(.count).innerText0;});}functionrecordSteps(numStr){countsArray(

.fill(

;steps[];for(leti0;inumStr.length;i){constdigitparseInt(numStr[i]);counts[digit];steps.push({current:digit,counts:[...counts]});}}functionrenderStep(stepIndex){if(stepIndex0||stepIndexsteps.length)return;conststepsteps[stepIndex];digits.forEach((d,idx){d.classList.remove(active);d.querySelector(.count).innerTextstep.counts[idx];});constactiveDigitDivdocument.querySelector(.digit[data-num${step.current}]);if(activeDigitDiv)activeDigitDiv.classList.add(active);currentStepstepIndex;}startBtn.addEventListener(click,(){constinputnumberInput.value.trim();if(!/^\d$/.test(input)){alert(请输入纯数字);return;}numberStrinput;resetVisualization();recordSteps(numberStr);renderStep(

;});nextBtn.addEventListener(click,(){if(currentStepsteps.length-

{renderStep(currentStep

;}});prevBtn.addEventListener(click,(){if(currentStep

{renderStep(currentStep-

;}});/script/body/html

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