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showing results for - "javascript double question mark"
Élisabeth
19 Jan 2017
1let a = null;
2const b = a ?? -1; // Same as b = ( a != null ? a : -1 );
3console.log(b); // output: -1
4//OR IF
5let a = 9;
6const b = a ?? -1;
7console.log(b); // output: 9
8
9//PS.,VERY CLOSE TO '||' OPERATION IN FUNCTION, BY NOT THE SAMEsimilar questions
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