({
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calculateMonthlyPayment : function(component) {
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// 1. Calculate monthly payment
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var principal = component.get("v.principal");
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var years = component.get("v.years");
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var rate = component.get("v.rate");
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if (rate && rate > 0) {
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var monthlyRate = rate / 100 / 12;
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var monthlyPayment = principal * monthlyRate / (1 - (Math.pow(1/(1 + monthlyRate), years * 12)));
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component.set("v.monthlyPayment", monthlyPayment);
|
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// 2. Fire event with new mortgage data
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var event = $A.get("e.c:MortgageChange");
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event.setParams({"principal": principal,
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"years": years,
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"rate": rate,
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"monthlyPayment": monthlyPayment});
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event.fire();
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}
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}
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})
|
