This code is used to filter the true values, I don't understand why that last array with zero is being used.
const rand = [{ inputNumber }, { inputBig }, { inputSmall }, { inputSymbol }]
.filter(value => Object.values(value)[0])
Asked
Active
Viewed 55 times
0
Rory McCrossan
- 331,213
- 40
- 305
- 339
Ebubechukwucyber
- 55
- 6
-
3Because it takes the first value of the object. Since the objects have a single value, it's also the first value. – VLAZ Mar 12 '21 at 13:16
-
The logic in filter will also have no effect at all, so that call is redundant and can be removed. – Rory McCrossan Mar 12 '21 at 13:23
-
@RoryMcCrossan [it will filer out any objects that have zero or falsy values](https://jsbin.com/qosoyes/edit?js,console) – VLAZ Mar 12 '21 at 13:26
-
@VLAZ ah, thanks. Every day's a school day :) – Rory McCrossan Mar 12 '21 at 13:37
-
It definitely means the array with zero does not does not recognize zero and false as a value.. – Ebubechukwucyber Mar 12 '21 at 13:43
-
1That's not an array, that's a property access – ASDFGerte Mar 12 '21 at 13:47
-
@ASDFGerte, can you expatiate further? – Ebubechukwucyber Mar 12 '21 at 13:52
-
1See e.g. [here](https://stackoverflow.com/questions/4968406/javascript-property-access-dot-notation-vs-brackets) or [here](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_accessors), it's basic javascript syntax. – ASDFGerte Mar 12 '21 at 13:56
1 Answers
0
That notation may be used to avoid to have to parse values when you need to remove symbols like quotation marks.
MAL
- 143
- 1
- 14