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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | 1x 1x 1x 1x 118x 1x | /*!
* VisualEditor namespace.
*
* @copyright See AUTHORS.txt
*/
/**
* Namespace for all VisualEditor classes, static methods and static properties.
*
* @namespace ve
*/
window.ve = {};
/**
* Get the current time, measured in milliseconds since January 1, 1970 (UTC).
*
* @return {number} Current time, monotonic in modern browsers (via Performance Timeline API)
*/
ve.now = function () {
// Based on `mw.now` in MediaWiki core.
// Optimisation: Cache and re-use the chosen implementation.
// Optimisation: Avoid startup overhead by re-defining on first call instead of IIFE.
const perf = window.performance;
const navStart = perf && perf.timing && perf.timing.navigationStart;
ve.now = navStart && perf.now ? () => navStart + perf.now() : Date.now;
return ve.now();
};
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