console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, inital-scale=1.0" />
<title>CSS</title>
</head>
<body>
<div class="box">
<h2>密码强度 <span id="text">检测</span></h2>
<input type="password" id="password" placeholder="请输入密码" />
<div class="密码强度-"></div>
<div class="密码强度-"></div>
<div class="密码强度-"></div>
</div>
<script>
let passwordInput = document.getElementById("password");
let passwordStrengths = document.querySelectorAll(".密码强度-");
let text = document.getElementById("text");
passwordInput.addEventListener("input", function (event) {
let password = event.target.value;
let strength = Math.min(password.length, 12);
let degree = strength * 30;
let gradienColor =
strength <= 4 ? "#ff2c1c" : strength <= 8 ? "#ff9800" : "#12ff12";
let strengthText = strength <= 4 ? "弱" : strength <= 8 ? "中" : "强";
passwordStrengths.forEach((passwordStrengths) => {
passwordStrengths.style.background = `conic-gradient(${gradienColor} ${degree}deg, #1115 ${degree}deg)`;
});
text.textContent = strengthText;
text.style.color = gradienColor;
});
</script>
</body>
</html>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: consolas;
}
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #333;
}
.box {
position: relative;
width: 300px;
height: 50px;
}
.box h2 {
position: absolute;
top: -40px;
font-size: 1.25em;
color: #fff;
font-weight: 500;
}
.box input {
position: absolute;
inset: 2px;
z-index: 10;
font-size: 1em;
border: none;
outline: none;
padding: 10px 15px;
background: #333;
color: #fff;
}
.box .密码强度- {
position: absolute;
inset: 0;
background: #1115;
}
.box .密码强度-:nth-child(3) {
filter: blur(5px);
}
.box .密码强度-:nth-child(4) {
filter: blur(10px);
}