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The Range Check Mix-Up

Solve the "The Range Check Mix-Up" beginner challenge. Focus: javascript logic.

beginnerjavascript

Terminal

user@debugger:~/project$ node app.js
Logical error: The function returns true for almost any number. For example, 5 and 25 both incorrectly return true instead of false, because any number is either >= 10 or <= 20.
user@debugger:~/project$
Test Cases (Click to expand)