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script.js
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script.js
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function updateRate(){
var rateval = document.getElementById("rate").value;
document.getElementById("rate_val").innerText=rateval;
}
function compute(){
var principal = document.getElementById("principal").value;
var rate = document.getElementById("rate").value;
var years = document.getElementById("years").value;
var amount = principal * years * rate /100;
var year = new Date().getFullYear()+parseInt(years);
if(principal<=0){ alert("Enter a positive number"); document.getElementById("principal").focus() }else{
document.getElementById("result").innerHTML="If you deposit <mark>"+principal+"</mark>,<br\>at an interest rate of <mark>"+rate+"</mark> %<br\>You will receive an amount of <mark>"+amount+"</mark>,<br\>in the year <mark>"+year+"</mark> <br\>"
}
}