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JavaScript Loops

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The Refactor Challenge – Duplicate Code

6:01 with Guil Hernandez

This video covers one way to prevent duplicating code in your program with a loop and a function.

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    Now, I'll show you how I would solve this. 0:00
    Currently, the same code to generate a random RGB value appears three times. 0:02
    So my first move might be to create a function that returns a number from 0:07
    0 to 255. 0:12
    In RGB, that's the allowable range of values for a red, green, or blue value. 0:13
    I'll write an arrow function expression that returns the randomizing code, 0:17
    I'll name it randomValue. 0:22

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