Refactor renderLeads() to use a parameter.How function parameters can improve our code.Refactor the app to use a template string.Make the template string even more dynamic.Use createElement() and append() instead of innerHTML.Make the input button work with onclick.Only trigger newCard() if you're allowed to.Assign values in the startGame function.Using Math.random() and Math.floor() to create a dice.Generating random numbers with Math.random().How can we avoid to hard-code card values?.Solving our cards problem with an array.

Improve the message with string concatenation.

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