Input URL maxLengthProperties

Input URL 对象参考手册Input URL Object

Example

Get the maximum number of characters allowed in the URL field:

var x = document.getElementById("myURL").maxLength;
xThe output result is:
30

Try it Yourself »

Definition and Usage

The maxLength property is used to set or return the maxlength attribute of the URL field.

The maxLength property describes the maximum number of characters allowed in the URL field.

The default value is 524288.

Tip:If you need to set the length of the URL, that is, the number of characters, use thesizeattribute.


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the maxLength property.

Note:Internet Explorer or Safari browsers do not support HTML <input> elements using the type="url" attribute.


Syntax

Return the maxLength property:

urlObject.maxLength

Set the maxLength property:

urlObject.maxLength=number

Property Values

Value Description
number Describes the maximum number of characters allowed in the URL field. The default value is 524288

Technical Details

Return Value: A number, indicating the maximum number of characters allowed in the URL field.


More Examples

Example

Set the maximum number of characters allowed in the URL field:

document.getElementById("myURL").maxLength = "8";

Try it Yourself »


Related Pages

HTML Reference:HTML <input> maxlength attribute


Input URL 对象参考手册Input URL Object Other Extensions