Input Password defaultValue Attribute

HTML DOM Input Password objekt

Definition and usage

defaultValue Sets or returns the default value of the password field.

Note:The default value is HTML value attribute specified by.

The difference between defaultValue and value properties is that defaultValue contains the default/initial password of the password field, while value is the current password of the password field after some changes. If there is no change, defaultValue and value are the same (see the example below).

The defaultValue property is very useful if you want to check whether the content of the password field has changed.

Instance

Example 1

Change the default value of the password field:

document.getElementById("myPsw").defaultValue = "hello";

Try it yourself

Example 2

Return the default value of the password field:

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

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Example 3

An example to show the difference between defaultValue and value properties:

var x = document.getElementById("myPsw");
var defaultVal = x.defaultValue;
var currentVal = x.value;

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Syntax

Return defaultValue property:

passwordObject.defaultValue

Indstil defaultValue egenskab:

passwordObject.defaultValue = value

Egenskabsværdi

Værdi Beskrivelse
value Definerer standardværdien for et passwordfelt.

Tekniske detaljer

Returværdi: Strengværdi, der angiver standardværdien for et passwordfelt.

Browser support

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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HTML DOM Input Password objekt