Gold Challenge: Array of Alerts
Restructure the flash-alert component to
accept an array of alerts with different alert types and
messages. You may need to have multiple warnings on the
screen at the same time. Use an
Ember.ArrayProxy in place of the
individual properties setting the alert. Add to the array with the
message, type, and a new index property so
that you can remove the item from the array when you click it.
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