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109 lines
2.5 KiB
109 lines
2.5 KiB
5 years ago
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<!DOCTYPE html>
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<html>
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<head>
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<title>Document Object Model:30 Days Of JavaScript</title>
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<link href="https://fonts.googleapis.com/css?family=Aldrich|Roboto|Lato|Raleway
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:300,400,500&display=swap" rel="stylesheet">
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<style>
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* {
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box-sizing: border-box;
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padding: 0;
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margin: 0;
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}
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body {
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text-align: center;
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margin-top: 50px;
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font-family: 'Lato', sans-serif;
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}
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h1 {
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font-size: 36px;
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margin: 50px auto;
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background: #fbe324;
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width: 650px;
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padding: 15px;
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color: #444;
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font-weight: lighter;
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}
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input {
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width: 250px;
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height: 45px;
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text-indent: 10px;
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font-size: 18px;
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}
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input:focus {
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border: 1px solid #fbe324;
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outline: 1px solid #fbe324;
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}
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input::placeholder {
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color: rgb(195, 190, 190);
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}
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button {
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width: 150px;
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height: 45px;
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border: none;
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background: #fbe324;
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color: #444;
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font-size: 18px;
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font-family: 'Lato', sans-serif;
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}
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button:focus{
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border: 1px solid #fbe324;
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outline: 1px solid #fbe324;
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}
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p {
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margin: 15px auto;
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background: #fbe324;
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width: 650px;
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padding: 5px;
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font-size: 28px;
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font-family: 'Raleway', sans-serif;
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}
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span {
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display: inline-block;
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width: 80px;
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height: 80px;
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padding: 5px;
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border-radius: 50%;
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background: rgb(246, 192, 91);
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line-height: 70px;
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}
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</style>
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</head>
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<body>
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<h1>Body Mass Index Calculator</h1>
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<input type="text" id="mass" placeholder="Mass in Kilogram" />
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<input type="text" id="height" placeholder="Height in meters" />
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<button>Calculate BMI</button>
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<script>
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const mass = document.querySelector('#mass')
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const height = document.querySelector('#height')
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const button = document.querySelector('button')
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const bmiResult = document.createElement('p')
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let bmi
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button.addEventListener('click', () => {
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bmi = mass.value / height.value ** 2
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bmiResult.innerHTML = `<span>${bmi.toFixed(2)}</span>`
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document.body.appendChild(bmiResult)
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})
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</script>
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</body>
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</html>
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