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Input Password pattern Property

Input Password Object Reference Input Password Object

Example

Get the value of the pattern attribute of a password field:

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

The result of x will be:

.{6,}
Try it yourself »

Definition and Usage

The pattern property sets or returns the value of the pattern attribute of a password field.

The pattern attribute specifies a regular expression that the password field's value is checked against.

Tip: Use the global HTML title attribute or the DOM title property to describe the pattern to help the user.

Tip: Learn more about Regular Expressions in our JavaScript Tutorial.

Tip: Also see our Complete JavaScript RegExp Reference.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The pattern property is supported in Internet Explorer 10, Firefox, Opera, and Chrome.

Note: The pattern property is not supported in Internet Explorer 9 and earlier versions, or in Safari.


Syntax

Return the pattern property:

passwordObject.pattern

Set the pattern property:

passwordObject.pattern=regexp

Property Values

Value Description
regexp Specifies a regular expression that the password field's value is checked against

Technical Details

Return Value: A String, representing a regular expression

Related Pages

HTML reference: HTML <input> pattern attribute


Input Password Object Reference Input Password Object