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Check if a value is truthy. The word "truthy" means the value is not one of undefined, null, false, 0, NaN or an empty string "".
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| // Check if a value is truthy. The word truthy means the value is not one of undefined, null, false, 0, NaN or an empty string "". | |
| // Also, you can use the Boolean function to convert the value. | |
| function isTruthy(o) { | |
| return !!o; | |
| } |
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"0" should be true. Cast to a number if you want to test for 0