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fixed Common.now

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liabru 2017-05-09 00:39:35 +01:00
parent 26c1200387
commit 2b76c4c10b
1 changed files with 13 additions and 17 deletions
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30
src/core/Common.js
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@ -12,6 +12,7 @@ module.exports = Common;
Common._nextId = 0; Common._nextId = 0;
Common._seed = 0; Common._seed = 0;
Common._nowStartTime = +(new Date());
/** /**
* Extends the object in the first argument using the object in the second argument. * Extends the object in the first argument using the object in the second argument.
@ -197,7 +198,7 @@ module.exports = Common;
Common.isElement = function(obj) { Common.isElement = function(obj) {
// http://stackoverflow.com/questions/384286/javascript-isdom-how-do-you-check-if-a-javascript-object-is-a-dom-object // http://stackoverflow.com/questions/384286/javascript-isdom-how-do-you-check-if-a-javascript-object-is-a-dom-object
try { try {
return obj instanceof HTMLElement; return obj instanceof HTMLElement;
} }
catch(e){ catch(e){
return (typeof obj==="object") && return (typeof obj==="object") &&
@ -273,26 +274,21 @@ module.exports = Common;
}; };
/** /**
* Returns the current timestamp (high-res if available). * Returns the current timestamp since the time origin (e.g. from page load).
* The result will be high-resolution including decimal places if available.
* @method now * @method now
* @return {number} the current timestamp (high-res if available) * @return {number} the current timestamp
*/ */
Common.now = function() { Common.now = function() {
// http://stackoverflow.com/questions/221294/how-do-you-get-a-timestamp-in-javascript if (window.performance) {
// https://gist.github.com/davidwaterston/2982531 if (window.performance.now) {
return window.performance.now();
} else if (window.performance.webkitNow) {
return window.performance.webkitNow();
}
}
var performance = window.performance || {}; return (new Date()) - Common._nowStartTime;
performance.now = (function() {
return performance.now ||
performance.webkitNow ||
performance.msNow ||
performance.oNow ||
performance.mozNow ||
function() { return +(new Date()); };
})();
return performance.now();
}; };
/** /**