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Discussion on: Top 20 JavaScript tips and tricks to increase your Speed and Efficiency

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rockson profile image
Rok Zigon
   arg1 = arg1 || 10; 
// set arg1 to 10 as a default if it’s not already set 
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Comment should warn that if you use || to provide some default value, you may encounter unexpected behaviors if you consider some falsy values as usable (e.g., '' or 0).

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erasmuswill profile image
Wilhelm Erasmus

You're making me relive production drama right here :(