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Alex Rivera
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This relates to this question . I am using the code below from this answer to generate a UUID in JavaScript: 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8); return v.toString(16); }); This solution appeared to be working fine, but I am getting collisions. Here's what I have: A web application running in Google Chrome. 16 users. about 4000 UUIDs have been generated in the past two months by these users. I got about 20 collisions - e.g., a new UUID generated today was the same as about two months ago (different user). What is causing this issue and how can I avoid it?
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