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January 2, 2016 08:49
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Concise string checking
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| // assuming str is used to hold a string | |
| if (str !== undefined && str !== null && str.length > 0) { | |
| console.log('str is a non-empty string'); | |
| } | |
| if (str) { | |
| console.log('str is a non-empty string'); | |
| } |
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