<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<style type="text/css">
body {
background: #ccc;
}
label {
width: 40px;
display: inline-block;
}
span {
color: red;
}
.container {
margin: 100px auto;
width: 400px;
padding: 50px;
line-height: 40px;
border: 1px solid #999;
background: #efefef;
}
span {
margin-left: 30px;
font-size: 12px;
}
.wrong {
color: red
}
.right {
color: green;
}
.strengthLv0 {
height: 6px;
width: 120px;
border: 1px solid #ccc;
padding: 2px;
}
.strengthLv1 {
background: red;
height: 6px;
width: 40px;
border: 1px solid #ccc;
padding: 2px;
}
.strengthLv2 {
background: orange;
height: 6px;
width: 80px;
border: 1px solid #ccc;
padding: 2px;
}
.strengthLv3 {
background: green;
height: 6px;
width: 120px;
border: 1px solid #ccc;
padding: 2px;
}
</style>
<body>
<div class="container">
<label>密码</label>
<input type="text" id="inp1" maxlength="16">
<!--<input type="password" id="inp1" maxlength="16"/>-->
<div class="pass-wrap">
<em>密码强度：</em>
<em id="strength"></em>
<div id="strengthLevel" class="strengthLv0"></div>
</div>
</div>
<script>
var inp1 = document.getElementById("inp1");
var strength = document.getElementById("strength");
var strengthLevel = document.getElementById("strengthLevel");
var array = ['', '低', '中', '高'];
inp1.onkeyup = function () {
var level = 0;
if (/[a-z]/.test(this.value)) {
level++;
}
if (/[0-9]/.test(this.value)) {
level++;
}
if (/[^a-z0-9]/.test(this.value)) {
level++;
}
if (this.value.length < 6) {
level = 0;
}
if (level > 3) {
level = 3;
}
strength.innerHTML = array[level];
strengthLevel.className = 'strengthLv' + level;
};
</script>
</body>
</html>
密码强度
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