This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2017.
The dateTime property of the HTMLTimeElement interface is a string that reflects the datetime HTML attribute, containing a machine-readable form of the element's date and time value.
A string. For valid string formats, see the datetime valid values.
// Assumes there is <time id="t"> element in the HTML
const t = document.getElementById("t");
t.dateTime = "6w 5h 34m 5s";
| Specification |
|---|
| HTML> # dom-time-datetime> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
dateTime |
62 | 14 | 22 | 4911.5–15 | 10 | 62 | 22 | 4611.5–14 | 10 | 8.0 | 62 | 10 |
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLTimeElement/dateTime