JS控制文本框中的密码显示/隐藏功能

 <html>
<head>
<title>【荐】JS控制文本框中的密码显示/隐藏功能_网页代码站(www.6a8a.com)</title>
<style>
body,input{font:menu}
</style>
</head>
<body>
<form method="POST" action="addcheck.asp" name="forms">
<span id=box><input type="password" name="password" size="20" value="www.6a8a.com"></span>
<span id=click><a href="javascript:ps()">显示密码</a></span>
<script language="JavaScript">
function ps(){
if (this.forms.password.type="password")
box.innerHTML="<input type="html" name="password" size="20" value="+this.forms.password.value+">";
click.innerHTML="<a href="javascript:txt()">隐藏密码</a>"}
function txt(){
if (this.forms.password.type="text")
box.innerHTML="<input type="password" name="password" size="20" value="+this.forms.password.value+">";
click.innerHTML="<a href="javascript:ps()">显示密码</a>"}
</script></form>
<br />
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</body>
</html>

 另一种写法:

<dd>
                                    <em>&nbsp;&nbsp;</em>
                                    <label>
                                         <span class="placeholder">请输入6-16位的新密码</span>
                                        <input id="pwd" type="password" class="input_txt" >
                                        <a class="input_eye" id="clc" href="javascript:;"> </a>
                                        <p class="error_msg">密码xxxx错误</p>
                                    </label>

                                    <script language="JavaScript">
                                        var pwd = document.querySelector('#pwd');
                                        document.querySelector('#clc').addEventListener('click', function() {
                                            showPwd(pwd)
                                        }, false);

                                        function showPwd(obj) {
                                            var type = obj.getAttribute('type');
                                            if (type == 'password') {
                                                obj.setAttribute('type', 'text');
                                            } else {
                                                obj.setAttribute('type', 'password');
                                            }
                                        }
                                    </script>

                                </dd>
原文地址:https://www.cnblogs.com/webfby/p/4942650.html