<script> // ---------- DATA MODEL (Mimicking excel rows) ---------- // We'll maintain two sections: Sales Register, Expenses Register, Stock Register // For simplicity, we use separate tables but inside one downloadable sheet. // Actually to give an integrated feel, we create 3 mini tables inside main container.
function getNetProfit() return getTotalSales() - getTotalExpenses();
// 2. Expenses Register html += `<h3 style="margin:25px 0 5px 0; color:#1e4a2f;">📝 Expenses Register</h3>`; html += `<table id="expensesTable"><thead><tr><th>Date</th><th>Category</th><th>Amount (₹)</th><th></th></tr></thead><tbody>`; for (let i = 0; i < expensesData.length; i++) let exp = expensesData[i]; html += `<tr data-type="expense" data-index="$i"> <td><input type="text" class="exp-date" value="$exp.date" data-idx="$i"></td> <td><input type="text" class="exp-cat" value="$exp.category" data-idx="$i"></td> <td><input type="number" step="0.01" class="exp-amt" value="$exp.amount" data-idx="$i"></td> <td><button class="delRowBtn" data-type="expense" data-idx="$i" style="background:#b33;">❌</button></td> </tr>`; html += `<tr><td colspan="3"><button id="addExpenseRowBtn" style="background:#3c8c40;">+ Add Expense</button></td><td></td></tr>`; html += `</tbody></table>`; petrol pump accounting in excel sheet download
function expenseChangeHandler(e) const idx = parseInt(e.target.getAttribute('data-idx')); if (!isNaN(idx)) let newAmt = parseFloat(e.target.value)
// Recompute stock closing & stock value function recomputeStock() for (let i = 0; i < stockData.length; i++) let s = stockData[i]; s.closing = s.opening + s.received - s.sold; Expenses Register html += `<h3 style="margin:25px 0 5px
// 3. Stock Management Table html += `<h3 style="margin:25px 0 5px 0; color:#1e4a2f;">📦 Stock Summary (Liters / Units)</h3>`; html += `<table id="stockTable"><thead><tr><th>Product</th><th>Opening (Ltr)</th><th>Received (Ltr)</th><th>Sold (Ltr)</th><th>Closing (Ltr)</th><th>Unit Price (₹)</th><th>Stock Value (₹)</th><th></th></tr></thead><tbody>`; for (let i = 0; i < stockData.length; i++) let st = stockData[i]; let stockValue = (st.closing * st.unitPrice).toFixed(2); html += `<tr data-type="stock" data-index="$i"> <td style="background:#faf3e0;">$st.product</td> <td><input type="number" step="0.01" class="stock-opening" value="$st.opening" data-idx="$i"></td> <td><input type="number" step="0.01" class="stock-received" value="$st.received" data-idx="$i"></td> <td><input type="number" step="0.01" class="stock-sold" value="$st.sold" data-idx="$i"></td> <td class="stock-closing">$st.closing.toFixed(2)</td> <td><input type="number" step="0.01" class="stock-price" value="$st.unitPrice" data-idx="$i"></td> <td class="stock-value">$stockValue</td> <td><button class="delRowBtn" data-type="stock" data-idx="$i" style="background:#b33;">🗑️</button></td> </tr>`; html += `<tr><td colspan="7"><button id="addStockRowBtn" style="background:#3c8c40;">+ Add Stock Product</button></td><td></td></tr>`; html += `</tbody></table>`;
let expensesData = [ date: "01-Apr-2026", category: "Electricity", amount: 5500 , date: "05-Apr-2026", category: "Staff Salary", amount: 28500 , date: "10-Apr-2026", category: "Maintenance", amount: 3200 , date: "15-Apr-2026", category: "Misc", amount: 1750 ]; Expenses Register html += `<
container.innerHTML = html;