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fix(curriculum): Step 62 adding null explanation to description (#53533)

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ArmestoSantiago
2024-02-05 02:28:47 -03:00
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curriculum/challenges/english/15-javascript-algorithms-and-data-structures-22/learn-form-validation-by-building-a-calorie-counter/63c9bcc26219e7090da0f549.md
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@@ -7,6 +7,8 @@ dashedName: step-62
# --description--
In programming, `null` is meant to represent the absence of a value. In this case, if the user enters an invalid input, you want to alert them and then return `null` to indicate that the function has failed.
Still within your `if` block, set `isError` to `true` and return `null`.
# --hints--