82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
document.addEventListener("DOMContentLoaded", function () {
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function getValue(id) {
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var el = document.getElementsByName(id)[0];
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return el ? parseFloat(el.value) || 0 : 0;
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}
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function setValue(id, val) {
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var el = document.getElementsByName(id)[0];
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if (el) el.value = Number(val).toFixed(2);
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}
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window.calculate = function () {
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// --- BASIC INPUTS ---
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var gross_total_income = getValue("gross_total_income");
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var disallowance_14a = getValue("disallowance_14a");
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var disallowance_37 = getValue("disallowance_37");
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// // Auto-calculations (your logic)
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// setValue("gross_total_income", disallowance_37 + gross_total_income);
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// setValue("disallowance_37", disallowance_14a + disallowance_37);
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var gross_total = gross_total_income + disallowance_37 + disallowance_14a
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console.log("gross_total income:: " + gross_total)
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// --- DEDUCTIONS ---
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var d80_business = getValue("deduction_80ia_business");
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var d80_misc = getValue("deduction_80ia_misc");
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var d80_other = getValue("deduction_80ia_other");
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var deduction_sec37 = d80_business + d80_misc + d80_other - 1.35;
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setValue("deduction_sec37_disallowance", deduction_sec37);
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var deduction_80g = getValue("deduction_80g");
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// --- NET TAXABLE INCOME ---
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var net_taxable_income = gross_total - deduction_sec37 - deduction_80g;
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setValue("net_taxable_income", net_taxable_income);
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// --- TAX 30% ---
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var tax30 = net_taxable_income * 0.30;
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setValue("tax_30_percent", tax30);
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// --- TAX PAYABLE (18.5%) ---
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var tax185 = getValue("tax_book_profit_18_5");
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var tax_payable = (tax30 > tax185) ? tax30 : tax185;
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setValue("tax_payable", tax_payable);
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// --- SURCHARGE ---
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var percent = getValue("persentage");
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var surcharge = tax_payable * (percent / 100);
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setValue("surcharge_12", surcharge);
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var edu_cess = (tax_payable + surcharge) * 0.03;
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setValue("edu_cess_3", edu_cess);
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// --- total tax payable ---
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var total_tax_payable = tax_payable + surcharge + edu_cess;
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setValue("total_tax_payable", total_tax_payable);
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// --- FINAL TAX ---
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var mat_credit = getValue("mat_credit");
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var interest_234c = getValue("interest_234c");
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var total_tax = total_tax_payable + mat_credit + interest_234c;
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setValue("total_tax", total_tax);
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// --- ASSESSMENT ---
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var adv_tax = getValue("advance_tax");
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var tds = getValue("tds");
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var tcs = getValue("tcs");
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var tax_on_assessment = adv_tax + tds + tcs;
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setValue("tax_on_assessment", tax_on_assessment);
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var refund = total_tax - tax_on_assessment;
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setValue("refund", refund);
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};
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});
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