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xuncheng/gist:2354ea8656fac88d1f01

Last active September 10, 2015 07:58
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generate a uuid in javascript
Raw
gistfile1.js
// JavaScript Version
uuid = function(e) {
return '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);
});
}
Raw
gistfile2.js
// CoffeeScript Version
uuid = ->
'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace /[xy]/g, (c) ->
r = Math.random() * 16 | 0
v = (if c is "x" then r else (r & 0x3 | 0x8))
v.toString 16
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