Working on filtering an array of objects based on a certain property using the following code snippet:
if (payment == Payment.CREDIT_CARD) {
this.currenies.filter((currency: Currency) => currency.isFromEurope === true);
console.log(this.currencies)
}
Started with an initial currencies array containing 135 items. After filtering, I'm left with the same number of items, with at least 30 having isFromEurope set to true.
According to the explanation given for Array.filter:
The filter() method generates a fresh array containing only elements that satisfy the condition set by the provided function.
In other words, it leaves the original array unaffected.
Also, there seems to be a typo present (this.currenies).
The correct version should look like this:
if (payment == Payment.CREDIT_CARD) {
this.currencies = this.currencies.filter((currency: Currency) => currency.isFromEurope === true);
console.log(this.currencies)
}
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