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Examples

Example 1

Code Block
languagejs
watchers2 = addElementIfNotExist(watchers, currentUser());

Adds currentUser to the watchers array if currentUser is not already present. The routine returns a new array watchers2, so the initial array will not be modified.

Example 2

Code Block
languagejs
watchers = addElementIfNotExist(watchers, currentUser());

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