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Input Number readOnly Property

Input Number Object

Example

Set the number field to read-only:

Output result:


Definition and Usage

The readOnly property is used to set or return whether the number field is read-only.

A read-only field cannot be modified. However, its content can be copied.

This property reflects the HTML readonly attribute.

Tip: To ensure the accuracy of form data, you can use the disabled property instead.


Browser Support

All major browsers support the readOnly property.

Note: Internet Explorer 9 and earlier versions do not support the <input> element with the type="number" attribute.


Syntax

Return the readOnly property:

Set the readOnly property:

Property Values

Value Description
true false Describes whether the number field is read-only<br>true - The number field is read-only<br>false - Default. The number field is not read-only

Technical Details

| Return Value: | Boolean, returns true if the number field is read-only, otherwise returns false. | | --- | --- |


More Examples

Example

Check if the number field is read-only:


Related Pages

HTML Reference: HTML <input> readonly Attribute


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