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<a> <abbr> <address> <area> <article> <aside> <audio> <b> <base> <bdo> <blockquote> <body> <br> <button> <canvas> <caption> <cite> <code> <col> <colgroup> <datalist> <dd> <del> <details> <dfn> <dialog> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <footer> <form> <head> <header> <h1> - <h6> <hr> <html> <i> <iframe> <img> <ins> <input> button <input> checkbox <input> color <input> date <input> datetime <input> datetime-local <input> email <input> file <input> hidden <input> image <input> month <input> number <input> password <input> radio <input> range <input> reset <input> search <input> submit <input> text <input> time <input> url <input> week <kbd> <label> <legend> <li> <link> <map> <mark> <menu> <menuitem> <meta> <meter> <nav> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <s> <samp> <script> <section> <select> <small> <source> <span> <strong> <sub> <summary> <sup> <table> <tbody> <td> <tfoot> <th> <thead> <tr> <textarea> <time> <title> <track> <u> <ul> <var> <video>

HTML DOM Input Password 对象


Input Password 对象

Input Password 对象代表一个 type="password" 的 HTML<input> 元素。

访问 Input Password 对象

您可使用 getElementById() 来访问带有 type="password" 的<input> 元素:

实例

var x = document.getElementById("myPsw");
亲自试一试 »

提示: 您还可以通过搜索表单的 elements 元素集合来访问<input type="password">。

创建 Input Password 对象

您可使用 document.createElement() 方法来创建带有 type="password" 的<input> 元素:

实例

var x = document.createElement("INPUT");
x.setAttribute("type", "password");
亲自试一试 »

Input Password 对象属性

属性 描述
autocomplete 设置或返回密码字段的 autocomplete 属性的值
autofocus 设置或返回在页面加载时密码字段是否应自动获得焦点
defaultValue 设置或返回密码字段的默认值。
disabled 设置或返回是否应被禁用密码字段。
form 返回对包含此密码字段的表单的引用。
maxLength 设置或返回密码字段中字符的最大数目。
name 设置或返回密码字段的名称。
pattern 设置或返回密码字段的模式属性值
placeholder 设置或返回密码字段的占位符属性值
readOnly 设置或返回密码字段是否应当是只读的。
required 设置或返回在提交表单之前是否必须填写密码字段
size 设置或返回密码字段的长度。
type 返回密码字段的表单元素类型。
value 设置或返回密码字段的 value 属性的值。

Input Password 对象方法

方法 描述
select() 选取密码字段中的文本。

标准属性和事件

Input Password 对象还支持标准 属性事件

相关页面

HTML 教程: HTML 表单

HTML 参考手册: HTML<input> 标签

HTML 参考手册: HTML<input> type 属性


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