Posts by Fernando Pereira • 11 points

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  Q: How to return with an error Alert, when you do not enter a value in the variable?

  I was doing some exercises to practice Javascript, when I came across a doubt, how do I fire an error Alert when at least one of the variables receives a string or no value? That’s the code I…

  javascript

  asked 3 years, 6 months ago Fernando Pereira 11