HTML DOM Document lastModified attribute

Definition and usage

lastModified The property returns the date and time of the last modification of the document.

lastModified The property is read-only.

Tip

The 'Try it yourself' instance always returns the current date/time because the document is created at runtime.

Instance

Example 1

Get the date and time of the last modification of the document:

let text = document.lastModified;

Try it yourself

Example 2

Convert the lastModified attribute to a date object:

const date = new Date(document.lastModified);

Try it yourself

Syntax

document.lastModified

Return value

Type Description
String The date and time of the last modification of the document.

Browser supports

document.lastModified 是 DOM Level 3 (2004) 特性。

所有浏览器都支持它：

Chrome IE Edge Firefox Safari Opera
Chrome IE Edge Firefox Safari Opera
支持 9-11 支持 支持 支持 支持