Input Password pattern attribute

HTML DOM Input Password Obheto

Definition and Usage

pattern Attribute sets or returns the value of the pattern attribute of the password field.

The HTML pattern attribute specifies a regular expression to check the value of the password field.

Tip:Please use global HTML title Attribute or DOM title Use properties to describe the pattern to help users.

See also:

JavaScript Tutorial:Regular Expression

JavaScript Reference Manual:RegExp Object

HTML Reference Manual: HTML pattern attribute of <input>

Example

Get the pattern attribute value of the password field:

var x = document.getElementById("myPsw").pattern;

Try it yourself

Syntax

Return pattern attribute:

passwordObject.pattern

Set pattern attribute:

passwordObject.pattern = regexp

属性值

值 描述
regexp 规定检查密码字段值的正则表达式。

技术细节

返回值： 字符串值，表示正则表达式。

浏览器支持

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
支持 10.0 支持 支持 支持

HTML DOM Input Password Obheto