JavaScript Reference
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Quick Reference

The document.lastModified property returns the date and time the document was last modified.

<!-- html element to place output -->
<div id="my_output"></div>
// variable
let my_modified = document.lastModified;

// output to the HTML element
document.getElementById('my_output').innerHTML = my_modified;

Output

10/05/2022 16:14:13

Syntax

document.lastModified

JavaScript Notes:

  • When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
  • JavaScript is a case-sensitive language; firstName is NOT the same as firstname
  • Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
  • JavaScript variables must begin with a letter, $, or _
  • JavaScript variables are case sensitive (x is not the same as X)
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