<h4>Milliseconds since Jan 1, 1970:</h4>
<p id="demo"></p>
<script>
var d = new Date();
document.getElementById("demo").innerHTML = d.getTime();
</script>
</body>
The internal clock in JavaScript starts at midnight January 1, 1970. The getTime() method returns the number of milliseconds since then:
| HTML file: | Displayed by browser: |
|---|---|
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<body>
<h4>Milliseconds since Jan 1, 1970:</h4> <p id="demo"></p> <script> var d = new Date(); document.getElementById("demo").innerHTML = d.getTime(); </script> </body> |
Milliseconds since Jan 1, 1970: |
