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all

Test that each element of the array passes the given test.

[2,4,6].all((thisElement) => thisElement % 2 == 0); // true
[2,4,7].all((thisElement) => thisElement % 2 == 0); // false

Syntax​

all(callback)

Returns​

A boolean indicating whether all elements pass the test.

Notes​

  • The callback is expected to contain ONE parameter.