前言:
之前寫了個簡單的px轉換vw的頁面,記錄也分享下,很簡單實用的
效果圖:
源碼:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>自動轉換</title>
</head>
<body>
<input id="user_width" type="text" placeholder="請輸入"/>px
<button onclick="change()">轉換</button>
<span id="vw_text"></span>
</body>
</html>
<script>
function change(){
let widthVal = Number(document.getElementById('user_width').value);
let nowVW = widthVal/(1920/100);
var reg=/^\d+[.]?\d{1,3}$/;
console.log(widthVal+'=='+nowVW+'vw');
document.getElementById('vw_text').innerText = '轉換結果: '+nowVW+'vw';
}
</script>