How to generate a unique id in JavaScript
PHP makes it pretty easy to generate a unique it with the uniqid() command. JavaScript doesn’t have that command, but using the getTime() function of the Date object we can do almost the same thing.
JavaScript:
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function uniqid()
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{
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var newDate = new Date;
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return newDate.getTime();
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}
The function returns the number of milliseconds since January 1, 1970.
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Found a problem if you’re using this to generate unique IDs in rapid succession. It’s possible that two IDs can be generated within the same millisecond and therefore will have the same “unique” ID. Instead try this technique that increments a variable to keep the ID unique.