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javascript

Array Filter Method

The Array filter method is used to check against a given condition.

The Array filter method is used to check against a given condition.

Task: print out all multiples of 3 in the given array:

let x = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];

Answer:

let x = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15];

mulValue = (val) => {
return val % 3 === 0;
}

let result = x.filter(mulValue);
alert(result) // 3,6,9,12,15

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