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生成 uuid
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| function uuidv4() { | |
| 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); | |
| }); | |
| } | |
| console.log(uuidv4()) |
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