unique-id

This question already has an answer here: unique object identifier in javascript 11 answers Do JavaScript objects/variables have some sort of unique identifier? Like Ruby has object_id . I don't mean the DOM id attribute, but rather some sort of memory address of some kind. No, objects don't have a built in identifier, though you can add one by modifying the object prototype. Here's an example of how you might do that: (function() { var id = 0; function generateId() { return id++; }; Object.prototype.id = function() { var newId = generateId(); this.id = function() { return newId; }; return

This question already has an answer here: How to create a GUID/UUID in Python 6 answers I need to generate a unique ID based on a random value. Michael Aaron Safyan Perhaps uuid.uuid4() might do the job. See uuid for more information. You might want Python's UUID functions: 21.15. uuid — UUID objects according to RFC 4122 eg: import uuid print uuid.uuid4() 7d529dd4-548b-4258-aa8e-23e34dc8d43d unique and random are mutually exclusive. perhaps you want this? import random def uniqueid(): seed = random.getrandbits(32) while True: yield seed seed += 1 Usage: unique_sequence = uniqueid() id1 = next