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r to n converter.html
Views: 586 | Author: sachinthakur 
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<!DOCTYPE html>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <!-- GooglE fonts -->
    <link href="https://fonts.googleapis.com/css?family=Quicksand" rel="stylesheet">
    <link rel="stylesheet" href="style.css">
   <title>Roman Numeral Conversion || Sachin Dhakrey</title>
</head>
<body>
<div class="main">
    <h1>ROMAN NUMERAL CONVERTER</h1>
    <h1>Designed By Sachin Dhakrey</h1>
    <!-- arbic input -->
    <input id="arabicInput" type="text" name="arabic"  placeholder="Enter an arabic number....">
    <!-- roman input -->
    <input id="romanInput" type="text" name="roma" value="" placeholder="Enter a roman number....">
</div>
<div style="margin-top: 40px;text-align:center;font-size:20px;">
    <div class="made-with">
        <h4 class="color" style="color:white;font-family: cursive;">Made with ❤️ by <a href="https://github.com/Sachin Dhakarey" style="color:white;font-family: cursive;">Sachin Dhakrey</a></h4>
    </div>
    <div style="color:white; font-family: cursive;">Connect with me:</div>
    <br>
    <div class="social-icons">
        <a href="https://github.com/Sachin Dhakarey" target="_blank">
            <i class="fa fa-github" style="font-size:30px; color:white"></i>
        </a>
        <a href="https://twitter.com/SachinDhakarey7" target="_blank">
            <i class="fa fa-twitter" style="font-size:30px; color:white"></i>
        </a>
        <a href="https://www.linkedin.com/in/Sachin Dhakrey/" target="_blank">
            <i class="fa fa-linkedin" style="font-size:30px; color:white"></i>
        </a>
    </div>
</div>
<marquee directionl="right"><h1>Designed BY || Sachin Dhakrey</h1></marquee>
</body>
</html>
<style>
    
    body{
    margin: 0px auto;
    padding: 0px auto;
    box-sizing: border-box;
    font-size: 10px;
    font-family: cursive;
   background-color: #55d4c9ca;
}
.main{
    display: flex;
    flex-direction: column;
    align-items: center;
    /*justify-content: center;*/
    padding: 10px; 
}
h1{
    font-size: 2rem;
    color: #fff;
}
input{
    outline: 0;
    width: 50vw;
    margin: 10px 0;
    height: 50px;
    padding: 5px;
    padding-left: 20px;
    border-style: none;
    border-radius: 5px;
    background: rgba(138,138,138,.4);
    font-size: 1.5rem;
    color:ghostwhite;
    text-align: center;
    font-family: cursive;
}
::placeholder{
    color: #fff;
}
@media(max-width: 500px) {
    body{
        padding-top: 20px;
    }
    h1{
        font-size: 2rem;
    }
    input{
        width: 70vw;
        font-size: 2rem;
    }
}
</style>

<script>
    
    const arabicInput = document.getElementById("arabicInput");
const romanInput = document.getElementById("romanInput");

arabicInput.addEventListener("input",(e)=>{
    romanInput.value = arabicToRoman(e.target.value);
});
romanInput.addEventListener("input",(e)=>{
    arabicInput.value = romanToArabic(e.target.value);

});

function arabicToRoman(number){
    let roman = "";
    const romanNumList = {M:1000,CM:900, D:500,CD:400, C:100, XC:90,L:50, XV: 40, X:10, IX:9, V:5, IV:4, I:1};
    let a;
    if(number > 3999)
        return "Enter a number between 1 and 3999";
    else{
        for(let key in romanNumList){
            a = Math.floor(number / romanNumList[key]);
            if(a >= 0){
                for(let i = 0; i < a; i++){
                    roman += key;
                }
            }
            number = number % romanNumList[key];
        }
    }

    return roman;
}
function romanToArabic(romanNumber){
    romanNumber = romanNumber.toUpperCase();
    const romanNumList = ["CM","M","CD","D","XC","C","XL","L","IX","X","IV","V","I"];
    const corresp = [900,1000,400,500,90,100,40,50,9,10,4,5,1];
    let index =  0, num = 0;
    for(let rn in romanNumList){
        index = romanNumber.indexOf(romanNumList[rn]);
        while(index != -1){
            num += parseInt(corresp[rn]);
            romanNumber = romanNumber.replace(romanNumList[rn],"-");
            index = romanNumber.indexOf(romanNumList[rn]);
        }
    }
    return num;
}
</script>

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