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- <!DOCTYPE html>
- <html lang="bg">
- <head>
- <meta charset="utf-8">
- <title>Преобразуване на градуса в радиани</title>
- <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
- <style>
- *{box-sizing: border-box;}
- p{
- font-size: 1.2em;
- font-weight: bold;
- }
- span#deg-unit, span#rad-unit{
- display: inline-block;
- width: 100px;
- text-align: center;
- border-bottom: 2px solid gray;
- color: #0275dB;
- }
- div{
- padding: 3px;
- }
- </style>
- </head>
- <body>
- <div class="container">
- <div class="row row-cols-8 offset-2">
- <h1>Преобразуване на градуса в радиани</h1>
- </div>
- <div class="row row-cols-8 offset-2">
- <div class="input-group">
- <input type="number" class="col-6" id="unit">
- <input type="button" class="col-2 btn btn-primary" value="Конвертиране" onclick="showResult()">
- </div>
- </div>
- <div class="row row-cols-8 offset-2">
- <p><span id="deg-unit"></span> градуси = <span id="rad-unit"></span>
- радиани
- </p>
- </div>
- </div>
- <script>
- function getUnit(){
- return Number(document.getElementById("unit").value);
- }
- function convertDeg(deg){
- let rad = deg * Math.PI / 180;
- return rad.toFixed(4);
- }
- function showResult(){
- let degree = getUnit();
- document.getElementById("deg-unit").innerHTML = degree;
- document.getElementById("rad-unit").innerHTML = convertDeg(degree);
- }
- </script>
- </body>
- </html>
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