Return the highest significance level from an array of levels. Returns 'routine' for an empty array.
'routine'
Array of significance levels to compare
Highest significance level found
maxSignificance(['notable', 'critical', 'significant']); // 'critical' Copy
maxSignificance(['notable', 'critical', 'significant']); // 'critical'
Return the highest significance level from an array of levels. Returns
'routine'for an empty array.