Workshop Booking Cart Calculator
Complete the shopping cart calculator in a workshop booking scenario: includes real content, interactive controls, clear status feedback, and responsive layouts.
With JavaScript enabled, you can edit, run, and save this example. The fixed source is as follows:
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<title>Workshop Booking Cart Calculator</title>
<style>
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<main class="page">
<header class="mast"><div><span class="eyebrow">dashboard / Shopping Cart Calculator / INTERMEDIATE</span><h1>Workshop Booking Cart Calculator</h1><p class="intro">Complete the shopping cart calculator in a workshop booking scenario: includes real content, interactive controls, clear status feedback, and responsive layouts.</p></div><span class="scenario">Workshop Booking</span></header>
<div class="composition-index"><section class="demo" aria-label="Workshop Booking Cart Calculator interactive area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Basic experience</label><label><input type="radio" name="workflowChannel" value="B">B · Group Creation</label></fieldset><label>Participant Count Weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 Person</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Confirm Appointment</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Workshop Booking COMPARE</span><h2>Workshop plan side-by-side comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:commerce-service-flows-shopping-cart --><div class="cart"><section class="cart-items panel"><span class="eyebrow">Order Configuration</span><h2>Shopping Cart Calculator</h2><article data-product data-price="28"><div><b>Workshop Booking Collaboration</b><small>¥28 / item</small></div><div class="quantity"><button type="button" aria-label="Reduce workshop booking collaboration" data-delta="-1" data-core-bridge="commerce-service-flows-shopping-cart">−</button><output>1</output><button type="button" aria-label="Add Workshop Booking Collaboration" data-delta="1">＋</button></div></article><article data-product data-price="45"><div><b>Workshop Booking Progress</b><small>¥45 / item</small></div><div class="quantity"><button type="button" aria-label="Reduce workshop booking progress" data-delta="-1">−</button><output>0</output><button type="button" aria-label="Add workshop booking progress" data-delta="1">＋</button></div></article><article data-product data-price="62"><div><b>Workshop booking reminder</b><small>¥62 / item</small></div><div class="quantity"><button type="button" aria-label="Reduce workshop booking reminder" data-delta="-1">−</button><output>0</output><button type="button" aria-label="Add workshop booking reminder" data-delta="1">＋</button></div></article></section><aside class="receipt panel"><span>Estimated total</span><strong id="cartTotal" class="metric">¥0</strong><label>Promo code <input id="promoCode" autocomplete="off" placeholder="Enter SAVE10"></label><button id="applyPromo" class="action" type="button">Apply discount</button><button id="checkout" class="action primary" type="button">Confirm plan</button><small>This example does not send order or payment information.</small></aside></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>Workshop Booking FIELD INDEX</span></aside></div>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:commerce-service-flows-shopping-cart */
let discount = 0; const productRows = [...document.querySelectorAll('[data-product]')]; function renderTotal(){ const total = productRows.reduce((sum,row) => sum + Number(row.dataset.price) * Number(row.querySelector('output').textContent),0); const finalTotal = Math.round(total * (1 - discount)); document.querySelector('#cartTotal').textContent = '¥' + finalTotal; announce('Current total ' + finalTotal + ' yuan'); }
productRows.forEach(row => row.querySelectorAll('[data-delta]').forEach(button => button.addEventListener('click',() => { const output = row.querySelector('output'); output.textContent = Math.max(0,Number(output.textContent) + Number(button.dataset.delta)); renderTotal(); }))); document.querySelector('#applyPromo').addEventListener('click',() => { discount = document.querySelector('#promoCode').value.trim().toUpperCase() === 'SAVE10' ? .1 : 0; announce(discount ? 'Promo code applied' : 'Promo code invalid'); renderTotal(); }); document.querySelector('#checkout').addEventListener('click',() => announce('The workshop booking plan has been confirmed locally')); renderTotal();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"commerce-service-flows-shopping-cart","selector":"[data-core-bridge=\"commerce-service-flows-shopping-cart\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Core Version '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' person';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' person'+(workflowCompareState.frozen?' · Frozen':'');announce('Workshop plan under review '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' person · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Confirm booking · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
</script>
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