<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.box {
position: relative;
width: 400px;
border-bottom: 1px solid #ccc;
margin: 100px auto;
}
.box input {
border: 0;
width: 350px;
height: 30px;
outline: none;
}
.box img {
position: absolute;
top: 2px;
right: 2px;
width: 24px;
}
</style>
</head>
<body>
<div class="box">
<label for=""></label>
<img src="images/close.png" alt="" id='eye'>
<input type="password" id='pwd'>
</div>
<script>
// 核心思路:点击眼睛,把密码框类型改为文本框就可以看见里面的密码
// 一个按钮两个状态,点击一次切换文本框,继续点击一次切换为密码框
// 算法:利用一个flag变量。来判断flag的值,如果是1就切换为文本框,flag设置为0;如果是0;就切换为密码框,flag设置为1;
var eye = document.getElementById('eye');
var pwd = document.getElementById('pwd');
var flag = 0;
eye.onclick = function() {
if (flag == 0) {
eye.src = 'images/open.png';
pwd.type = 'text';
flag = 1;
} else {
eye.src = 'images/close.png';
pwd.type = 'password';
flag = 0;
}
}
</script>
</body>
</html>
前端显示隐藏密码案例
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转载自blog.csdn.net/weixin_46002223/article/details/108180600
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