check if array in conditional chaining javascript
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showing results for - "check if array in conditional chaining javascript"
Beatrice
19 Jul 2019
1const x = thisIsPossiblyAnArray?.[0];
2if (x) {
3 console.log("the value of index 0 is", x);
4} else {
5 console.log("x is undefined as thisIsPossiblyAnArray is either not an Array or is an Array with no item at index 0")
6}similar questions
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